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3046moparcoupe last won the day on October 24 2017

3046moparcoupe had the most liked content!

About 3046moparcoupe

  • Rank
    Senior Member, have way too much spare time on my hands

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  • Gender
  • Location
  • Interests
    Music/Guitar and Old Cars / Streetrods
  • My Project Cars
    1930 Plymouth Model-U 3 Window Coupe, and 1946 P15 Plymouth Special Deluxe 2 Door Coupe

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  • Biography
    60 yr old OCD / Old Car Disease
  • Occupation


  • Location
    Hurst Tx
  • Interests
    Vintage Mopar, guitars

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  1. 3046moparcoupe

    butt connectors / whats the deal, pickle :)

    Just wanted to add a final note to this post as maybe it will help someone out someday. The Gardner bender Butt (bullet connectors) I show pictured in my last (the previous) reply to this post,..are a perfect fit for the headlight switch barrels on the P15 headlight switch. They don't come with the nice adhesive heat shrink built onto them like a marine connector, but the fit of the bullet into the barrel is perfect. I also ordered some marine grade bullet connectors (with the nice heat shrink), that were listed as the smaller size bullet, that should also fit into the barrel on the headlight switch, but they are a bit too large, so to use them your gonna have to spread your outer ring on the switch out a bit,... These Gardner Bender Bullet connectors are available at Home Depot. I just removed the hard yellow plastic from the connector - crimped it up, and used some good heat shrink around it. The part numbers are as follows: pp# 15-163p , desc: Bullet Splice .156" dia. 14-16 awg cost $1.96, gets you 5ea males and 5ea females pp# 15-162p, desc: " " " " 10-12 awg " " " " I also found these same Gardner Bender connectors on ebay, but they've jacked the price up to something like $15 for 10 connectors...(but of course - you get free shipping Steve
  2. 3046moparcoupe

    loose dash light switch contact rivets

    I agree with the pounding thing, that's why using the hole punch pliers with a washer, to press against the rivet head and the opposing round area of the brass contact seemed like a good choice, as it limited the force being applied to only the brass /metal areas....also thought about mixing up a small dab of epoxy,...(if I can get it clean enough for the stuff to try and stick),... should help re-enforce,...definitely a wise suggestion on holding the terminal brackets with some needle nose pliers to relieve the stress of the screwdriver....thxs for the input guys..
  3. 3046moparcoupe

    loose dash light switch contact rivets

    I just went through this dash light switch, cleaned it up, greased it, painted the exterior, and today was pulling the masking tape off to get ready to stick it inside the dash and I noticed a had a little looseness in both of the contact L screw brackets. Not much but just enough to see - if you wiggled them with your finger. Taped up my paint job to try and avoid loosing as much paint as possible and pulled it apart again. (Tried the one rivet punch tool I do own but it was a little large and didn't help any ). Then took my hole punch pliers and a small washer (to try and avoid damaging/cutting the rivet up), some masking tape over the opposing contact side, and gave each a squeeze. It tightened 'em both up, feels like a 100% improvement from where they were, (just using slight finger pressure they don't move now),...but knowing that they will have to survive wire attachment torque with a screw driver when installed - it seemed wise to try and secure them as well as possible. Thought about trying to solder down on top of them. Got my soldering iron out and experimented with trying to stick silver solder to a brass washer,..the solder did finally stick, (but I use the word loosely - I could pick at it and after a few minutes - the solder would come off)….still thought maybe soldering over the top of the rivet head would at least sandwich it in and give it a little more strength...as it would lightly stick to the rivet head but should stick well to the steel L brkt terminals..? Anyone out there got any ideas ?? A better way ?? Leave it alone as is ?? A little dab of something like a JB weld epoxy ?? Just go ahead and try to find another switch ?? All reply's welcome and appreciated, thanks again. Steve
  4. Many thanks Donald, I really appreciate your patience and efforts to help me here on the forum...you have stepped up on just about every post for help I've made … and this time was certainly no different. I hope it all goes your way today Steve'o
  5. Here's a link to an electronics web site I found that is in agreement with Don's post above... I'm here to learn, and man oh man are you guys here on the forum helping it happen... thank you...knowledge is an awesome thing. http://electronics.stackexchange.com/questions/315208/can-a-6-volt-positive-ground-system-share-a-common-chassis-ground-with-a-12-volt The fella who was asking this question on this electronics forum web site, was wanting to put a modern 12v gas gauge in an old 6v pos grnd car. So a little bit different than my application, but still dealing with the same basic subject. When I first stumbled across this web site, and read the question and answer to this, what I got from it was YES, I felt like I was absorbing everything the instructor was saying, but sometimes it just takes missing a single word, to get in trouble with stuff like this....for example, I finally discovered this evening - why some folks will say that reversing the polarity to a starter will cause the starter to change directions and other folks will say that it won't,...the answer is that "they are both correct", some starters it will and some starters it won't, from what I've read - it turns out that older starters that used field coils are not affected by a polarity change, however newer starters that use magnets rather than field coils will be affected. So there can so easily be a catch to all this.. e the following is a cut-n-paste from the link above, and shows the diagram and some short verbage that the tech used to illustrate and answer the question... Then the last paragraph, was an additional comment from another individual who was stating that this also worked for him,....course, anyone can type anything on a computer screen that they care too,...still doesn't mean it's correct.; But with Don C's replay above, in conjunction with this link/below that I stumbled across and found, I'm thinking we have good solid accurate information here, on this... PLEASE, IF I'M MISSING THE FOREST FOR THE TREES HERE, WITH ANY OF THIS, PLEASE - YOUR INPUT IS APPRECIATED AND DESIRED. JUST LIKE YOU - I WANNA LEARN AND IMPROVE. ====================================================== As you found out yourself, you need a inverting voltage converter for that. -6V → +12V. They share the same ground level. simulate this circuit – Schematic created using CircuitLab And the answer to your questions is: yes, sure. EDIT, as asked for in the comments: There is nothing special about ground other than we define it to have a potential of 0V. It's just a reference potential. And voltage isn't more than the difference between the potential of two points in the circuit. So, this -6V is a property of the in wire and this +12V is a property of the out wire. Ground does not see anything what's going on on other wires. I purchased an inverted voltage converter (-6v input - 12v+ ouput) and connected all of the grounds to the chassis and it worked perfectly. THank you Janka and Hlovdal. I really appreciate all of the input. – Jim Stevens Jul 13 '17 at 21:54
  6. maok, thanks for the reply,...in reference to your last sentence "You can have 6v negative ground and 12v positive ground together. " I believe maybe you meant to say: You can have 6v negative ground and 12v negative ground together. Correct ?
  7. thanks rhelm1953, I appreciate the input big time....I looked at the very same unit you show in your reply, and I also found the same unit over at vintage auto garage for about $5 cheaper.. looks like it's made in New Zealand, has a 1 year warranty and has to be shipped over there for repair if necessary....installation notes talk about how warm the unit gets (I noticed it has the onboard fan and others on the market do not),..also states that it's not water proof, and others out there seem to be encapsulated so they are waterproof (not that I'm planning on getting it wet by any means),..anyway - other step up converters out there are way cheaper, and I'm suspect that they will do the very same thing as this unit will,....trying to learn here, knowledge is our friend I'll keep diggin on this, read an article last night on the HAMB, where folks were saying as far as the grounds go, it doesn't matter, they can be mixed,....they made reference to the very computer I'm typing on right now,..they said there are all kinds of voltages present and working inside our computers and also a mix of + and - grounding,...also visited an electronics web site where a previous person has asked the very same question, can +6v grnd and -12v grnd be connected,..and the reply back was absolutely YES... I've been pretty nuch a one way valve on this forum the past few years (always needing help and asking questions), I'll definitely post my finding when I get to an absolute 100% sure answer on this , in effort of sharing and helping others on this forum. Steve
  8. THANK YOU Maok and Donald both for your reply's on this. Donald I was reading through the forum last night until my eyes finally crossed :), Don Coatney had some good past posts on here, I especially liked the one where (if I observed it correctly, again I had been searching for hours and was a bit fatigued to say the least), anyhoo - he showed an engine with both a 6v generator system and a 12v alternator system,...and if I understood correctly, his point was that ground is ground,...made me try to think past the norm of what I've always dealt with in a typical 12v DC system, where you sure don't wanna get + & - crossed up...and I visualized taking my voltmeter and going from any ground on a 12v system to any other ground with your red and black leads from the voltmeter, you are going to read "zero"...so why wouldn't the common ground work ? even if it's + or -, or across 6v or 12v,...it's still just ground,...seemed to start trying to make sense in my peanut head. So my thinking was moving towards being in line with your reply above Donald Smith, but I gotta say you have sorta lost me with the last four words of your reply there "or grounded at all ?" If you can further paint me a picture I'd appreciate it..:) I may try sending this reply in a message over to Don C..to try and get his guidance as well on this,...so I'm thinking - to recap,....that the overall chassis ground of my pos 6 v system would be fine to share (and also provide the ground), for an accessory (12v wiper motor) being powered from a 6v-12v step up converter, since I'll be running a dedicated 12v output power wire from the step up converter to the 12v wiper motor..?? My ground for the 12v wiper motor can be - or +, and can be shared with the overall common chassis 6v+ ground of the car, with no ill effect ? (burnt wires, paint, parts, smoke test ). Steve
  9. A couple questions please - in regards to battery and ground architecture for my P15 project. 1): I've replaced the vacuum wiper setup with the Newport electric 12v kit, ( Newport unit is installed under the dash waiting for wiring). 2): I'm 90 % finished building a complete new wiring harness, ( using my old original harness, and the P15 shop manual electrical wiring diagram as a guide. ) 3): I have 2ea generators, both have been restored (new bearings,brushes, cleaned up and painted), and checked out by Fort Worth starter and Generator. (so I've got a good working and a spare generator should I need it). 4): I'm planning on leaving the car as 6v battery, so the wire gauges in the harness have been sized properly for the higher amperage, and I'll be purchasing a 6v cranking battery. 5): I was planning on connecting the cranking battery up as 6v positive ground, ( like it left the factory), just seems to make sense to me - then there's no conversion in your head when your working through your electrical issues in your shop manual, etc...however, either way ( 6v + grnd or 6v - grnd) is certainly acceptable, ( if it makes sense to go the other route and connect the cranking battery up as 6v negative ground )...this basically is where my question lies: My understanding, (from what I know about dc power and mostly from what I've learned here on the forum), is that beside from the orientation of the cables coming off your battery, you've got the following minor issues to also get in order: a): the + and - connections on the coil have to be in agreement. b): the input side of your ammeter gauge has to be wired in agreement. c): the old original 6v radios WILL NOT work either way, they have to be 6V positive..(not an issue for me) d): your voltage regulator has to be polarized in agreement to work with either the pos or neg setup. I am not aware of any other issues that would apply to any of the cars working parts, (starter for example),..you've basically just got current flowing from one wire/batt, through your device, and on and through your second wire/grnd...same amount of current, amps, etc...either way, device doesn't care.... Finally - here's the meat of my question,..(unless anything I've prefaced above is not correct, then please step in regarding the above as well)… I need to get a 6v - 12v step up converter to run the 12v Newport Electric windshield wipers. Began reading up on them and pricing them today. Newport says the wipers should draw around 4 amps max. Some of the step up converters say they will operate with a 6v negative or a 6v positive system, and some converters don't say if they will or if they won't....they all seem to show the same basic configuration, 2ea wires in 6v + & -, and 2ea wires out 12v + & -.... I know that not all the old cars were 6v positive, some were 6v negative,..and with these power converters being listed as converting 6v to 12v it makes me think that it might not matter, just connect up your step up converter to your 6v system and the input current will either flow through from positive to negative or vice versa with the converters functioning correctly either way. ??? I am assuming here on this, so I may be 180 degrees wrong,...definitely looking for help with this...also my Newport wiper kit instructions do not say anything more than 12v operation only,...(which in my head means 12v negative ground since there really is no such thing as 12v positive ground),...however again, it is just an electric motor, like the starter motor,...and in my head, seems like it shouldn't care...the current just needs to pass through the device. The Newport wiper system does get it's ground through the case of the wiper motor housing...which bolts to the underside of the dash. This concerns me as well. Initially in my head I thought it would be a MUST - to keep my 6v + common ground of the car SEPERATE from the 12v - ground of the Newport wiper motor, so I would need to make sure the wiper motor bracketry was completely isolated from the chassis of the car, and run 2ea dedicated wires (+&-) over to the unit, then I decided it might just be easier to set up a 6v negative ground system,and have a common negative ground, (then unless I misunderstood what I was reading, I seemed to find previous posts here on the forum stating that it was OK to share a 6v + grnd with a 12v - grnd, (just don't let the hot sides ever come together) ??? lastly, when I got this old car, someone had added an aftermarket gas gauge (which did not work),..after some study, I discovered that the sending unit in the tank was in-correct (single wire type), I purchased a 2 wire type, cleaned up the points on the gauge, connected the 1 & 2 terminals between the gauge and the sending unit, added -6v battery at the ignition terminal ,..and the gauge works perfectly,....I can't see how changing the hot wire into the gauge at the input (IGN) terminal could affect t he operation of the fuel gauge, but I seemed to read on here where someone thought it might, if anyone out there knows the answer to this, now would be the time for me to know, as I'm fixing to install the new sending unit I the tank, etc...and I definitely want the original fuel gage to work, as I have it doing now. Thanks in advance AGAIN, I hope you electrical wizards out there are listening...can't tell ya how much I appreciate the help and the education received here on the forum. Steve
  10. 3046moparcoupe

    butt connectors / whats the deal, pickle :)

    Pete, you are 100% correct, I stand corrected on my comment that 10-12 awg bullets could only be found in the .195 diameter male bullet head,.....look at what I found at Home depot today ? The brand is Gardner Bender, and the .156 fit inside the female barrel of these bullet connector is very nice, very snug, you can see the female barrel upon up what looks to me like at least .005 or so when you insert the male stud into it.... I'm gonna remove the plastic and crimp one to see how it crimps. This 10 pack at Home Depot cost $1.96....but you only get 5ea male connectors as they are selling them in a set as pairs......still cheap enough. I attached a picture...( I just noticed it's a little blurry, for those that might want it - the part # is 15-162P Thanks for taking the time to reply and your help with this. Steve
  11. 3046moparcoupe

    butt connectors / whats the deal, pickle :)

    Many thanks for all the continued reply's, I'm learning and appreciate the info....here's what I discovered about his all today, and how I plan to proceed forward: The industry standard today for bullet connectors is for the bullet end diameter to be either .157 " or .180" for a bullet connector that handles 14-16awg wire. (that's it, that's all that's out there, you can find them with out any plastic, with the yard plastic worthless sleeve, some with a better nylon sleeve, and some "mostly marine grade" with a adhesive lined heat shrink attached...………….then for the 10-12 awg wire, all bullet connectors today have and male bullet diameter of .195, and same thing as above - you can find them with sleeves and without. The original bullet connectors that came off this factory wiring harness have male bullets that measure in diameter at around .165 (some .163 some .167), and as Plymouthy has coached me, I took a drill bit - used it as a measuring gauge if you will - and found that I could just get a 5/32nd drill bit to fit tightly inside the female bullet barrels of this light switch. My computer tells me that a 5/32nd drill bit should equal .1567 of an inch,.....when I measured my drill bit with my calipers, I was getting around .153 ", course that's on a used drill bit that's been chucked up, etc...I also believe I'm suspect to using a bit more ( pressure/tension/slightly squeezing),... with the calipers than I should.. Anyway - the smaller .157" bullets for the 14-16 awg wire, with the adhesive lined heat shrink are cheap enough at around $4 for 10-15ea, so I ordered some. I also ordered some of the larger .180" bullets for the 14-16awg wire, again with the adhesive heat shrink, we'll see how they actually measure up, once they get here, and I ordered a small pkg of the 10-12awg .195 male end bullet connectors, again with the built in heat shrink. For the 1ea larger #12ga run, from post "H" on the headlight switch down to the high/low beam floor switch, I decided to try and follow suit with what Andy Dodge described above and I as carefully as I possible could, worked to open up both the inner copper female bullet barrel and the outer steel barrel to a larger diameter to accept the new .195 standard 10-12awg bullet connector end..see the attached pic.. I've got the H terminal barrels opened up to where a drill bit measuring .180" fits snugly in the inner barrel, and the outer ring is of course out of the way enough to allow the inner barrel to move as required. if the new bullet connectors do truly measure out to be .195", then at present I would have around a .015 " expansion fit...…(according to what I measured off the old original harness, there was around a .010-.015 expansion fit in place on the original bullet connectors.. not trying to make this harder than it has to be, but I would think that a new wiring harness is only as good as it's weakest link,...so I'm trying to build something that will hold up and provide a good service life.. This sure would have been a lot simpler, had I just bought a new aftermarket light switch, with screw terminal lugs on it but NO, I've gotta have my original knobs and bezels all matching, etc... I'll post again on this, when I get the connectors in and do some stare and compare, etc.. Steve
  12. 3046moparcoupe

    butt connectors / whats the deal, pickle :)

    I appreciate the reply back Dennis, glad it's worked out for you - and hopefully it will continue to,...I have read information regarding this and can't help but see in my mind how it would make sense to be true. My problem with soldering and crimping, (especially soldering the wire before you crimp it) is that the crimp tries to crush the solder, and if it doesn't crush the solder it can try to break the wire in its effort to crush the solder as you crimp the connection,.... there's some information out there on this in regards to aviation and marine electrical wire connection standards... I have built complete wiring harnesses back in my boating days, when we ran the flat bottom jets drive boats, and never had a single connection come apart (using crimp only), and flat bottom jet drives take a pretty good pounding on the water and a lot of vibration just about 100% of the time....the key (and I am quoting a good friend of mine here on the forum who has helped me like no other), is in the quality of your crimp tool. Thanks for your reply to help and best of luck your way.
  13. 3046moparcoupe

    butt connectors / whats the deal, pickle :)

    Thank you so much again everyone for all your excellent feedback and posts. Every single post response on this was helpful to me, I really appreciate it. In response to the great reply's back, I would greatly prefer to use crimp over solder as I now have a good T&B crimp tool and using it in combination with the good connector terminals that have the built on 3m adhesive heat shrink makes for a beautiful secure connection. But with these bullet connectors (and I read and would definitely agree with one of Plymouthy's old posts on this, the bullet seems like a real good place for trouble, so one needs to pay close attention to what's going on there, corrosion, etc..) When I looked at the modern bullets I was finding, they were all crimp on, none had their own heat shrink and they all had those large yellow hard plastic sleeves (that's OK, I can add my own heat shrink, it doesn't fit as nicely over the hard plastic sleeves after you crimp and maybe I'll just remove the hard plastic before I crimp), but also the physical size of these male bullet heads themselves were all over the place, and all were larger than what I had here on this harness, all those bullet heads also appeared (when I looked at the pics of them on the computer) to have a split in them (a seam if you will), where the metal was rolled to form the head of the bullet (rather than like these old connectors that are a solid chunk of material),..made me wonder if the modern bullets would remain tight in the female barrel,etc... So knowing me and the way I over analyze things, it seemed somewhat like a no brainer to just use the original bullets used at the factory, then I discovered the hole size issue, and ran to my forum buds for help and direction. I would agree again with Plymouthy, removing any strands sure doesn't set right with me, (course your gauge wire is sized to carry your amperage load with a minimal voltage drop, in telecom it was equal to or less than a 1% allowable voltage drop),...so you use a 12 gauge wire to carry your amps say 5 ft on a 10ft loop feet run, ( having a 1/4 inch of your wire trimmed down to 14 gauge at the bullet connector is not gonna be the kiss of death, and the fact that I'm using a marine gauge flex wire (with more physical surface area / circla mills / in respect to standard wire with fewer - but larger individual strands), also helps in respect to this - but still - it's definitely not good practice and especially with it being on the feeder end of the power run, so I also am not comfortable in doing that.. After receiving all the great reply's back, (it really helps to know that many of you have used modern bullet connectors and have not had any issues), I'm gonna proceed accordingly: I do shop a lot on ebay, and typically I just won't buy from a Chinese seller (not so much in that it's because the part is from China, we all know how that goes these days), but because as the fella above mentioned, it either takes forever, (or in my case, I just never get the item),...but I'm gonna go look for the connectors he spoke of.....and I'm also gonna go visit my napa guy "Jay" and see what they have in the line of bullet connectors... This forum is the best, thank you all so much. I really appreciate you all for taking the time to read through my long post and to reply back. Nice hearing from some new folks out there this time, and Plymouthy, Ed and Andy,...you guys have been helping me like a brother for years now..your like family, that's how much this all means to me and how much I appreciate everyone's help. Steve'o
  14. Seems to me like there can be only one obvious answer to this question, but you folks whom might have come to know me here on the forum know that I just can't stand to be in doubt or to assume in regards to much of anything, so here we go. Picked up a clean headlight switch, factory correct part for the car (P15) see attach pic #3 100-5297 jpg. Requires the bullet connectors on the 4ea output feeds coming off the switch itself. On the original wiring harness I removed from the car (I've realized how lucky I was in that the harness had been taped up so the colors were extremely well preserved except for around the ends, and the harness had not been cut up too badly, only in that someone had replaced the original headlight switch with a 2 position toggle switch and the high low beam switch had been replaced with an aftermarket that required spade connectors), see attached pic #100-5293.jpg. Having the electrical schematic drawings in the manual, and the original harness almost all intact, has really allowed me to move forward with confidence in duplicating what I need with fresh wiring and connectors from stem to stern,....interesting that Mopar had a dash mark legend on the wires themselves, (a broken hash mark line tat ran the length of the wire), as follows: 16 ga = one single dash mark, 14 ga = a double dash mark (like an = symbol angled at a 45 degree angle down the wire), 12 ga = a triple dash mark symbol, and 10 ga had no dash mark - but was just the solid color of the wire. I made the decision to just run 14 awg everywhere 16awg was all that was actually required. so I didn't have to purchase reels of both the 14 and 16 awg…..so I need to run 2ea 12awg wires with the bullet connectors and 2ea 14 awg wires with the bullet connectors from my headlight switch.... I was lucky in that the original bullet connectors were still in the wiring harness (when the replaced the headlight switch with the toggle switch and the h/l beam switch they didn't cut the original bullets off, they used a female bullet barrel and pig-tailed off the original bullet connectors). So today, I took my soldering iron and removed the old solder and wires from the bullet connectors, see attached pic #2 100-5295.jpg.....some of the connectors had 12 ga wire soldered into them, some had 16 ga, 14ga...etc....and I didn't pay much attention as I removed the solder and wire other than trying not to get burned by the tip of that iron. Once I was finished, I was proud of my oem mopar butt connectors, thinking I have the right size connectors, with the correct angle on the butt, oem parts that were made to go together - yahoo !! success....then I looked down the barrel of each connector and the round hole opening for each connector appeared to be exactly the same size....yet I had just removed some factory 12 awg wire from a couple of these butt connectors..??? So I stepped over and stripped a short end section of my new 12awg flex wire, and of course it wouldn't stick up inside the freshly cleaned barrel hole of the butt connector..... So I'm guessing here, (unlike when you crimp on a terminal end and you try to be as careful as possible not to cut into your wires when removing the sheathing), that I need to do (and what the factory must have done) is to remove enough strands so that the 12ga wire will fit through the hole in the butt connector, then solder it up...?? Never having seen this before, I was expecting to find different size hole openings in the different butt connectors, gauging them for the different wire sizes, but from what I'm seeing here on my harness - that is not the case ?? Reaching out to you mopar electrical guru's who have been there , done it, and got the t-shirt to prove it....for confirmation about this, before I move forward.... thanks again, my forum friends..Steve
  15. I currently have 2ea of the Mopar # 990547 head light switches I picked up off ebay over the last few years, both are clean (I've been inside them and have cleaned the contacts and greased them with electrical grease). However today, I noticed in my P15 OEM parts book, that the car was shown to come with a Mopar # 910507 headlight switch. Switches look to be very similar, with the same terminal designations, H - R - A & D....a lot of the info on the internet seems to show both switches being used on all the Chrysler, Plymouths and Didges,...however - I have found listings that make be believe that the 910507 was for the Plymouth, and the 990547 was for the Dodge and Chrysler. I've attached a picture of both headlight switches to this post, I believe the 990547 is 1/2 longer in length (probably not an issue), but here's what I was hoping to ask and learn from my fellow P15 forum members. 1): The 910507 switch, listed in the parts manual for the P15's, looks to have an on-board fuse holder. Being cylinder shaped I'm guessing it uses the older style buss fuses ? Can anyone out there help me out with this, is it truly a fuse holder ? does it use the old round style buss fuses, like I remember from my first cars in the 60's ? and if so - what amp fuse does it take ? 2): The 990547 switch, (of which I currently have 2ea in my possession) doesn't have anything that looks like a fuse holder, it appears to have ( I'm gonna guess out loud here ) a circuit breaker type protection setup, that utilizes a set of point contacts for the make break contact, where the main battery input comes into the switch,.....I might as well stop there, in regards to describing the points setup, as anyone is gonna either be familiar with this switch setup or not.... I have not attempted any kind of cleaning or filing on the points on either of these switches I currently have, and the way they are tucked into the rear housing of the switch, there's not much of a way to get a look at the contact surfaces... I like the idea of going with the switch that is shown in the P15 manual, (the 910507), I suppose I like the idea of a fuse rather than a set of points I am un-sure about...however, I'm thinking that fuse might be a little hard to get to if and when it might become an issue and blow:), course way better than the alternative - any day of the week.... aside from all this, I have picked up (here on the forum) on the wisdom of using an external relay under the hood to power the headlights, and just use your dash headlight switch to operate the relay,....thereby not bringing all those amps into the dash area..... But I would really appreciate any and all feedback regarding both switches,.....points versus what looks like a fuse setup....as its time to make a decision on whether to go with one of the existing switches I currently have or pick up a 910507, as shown in my parts book. At this point, I'll spend the money to get another switich, if I'm gonna feel better down the road about it...that's most important for my head against the old pillow at night. Thank you senior forum members, I have learned so much on this forum,..and I am truly thankful. Steve

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