kumhyr Posted June 29, 2014 Report Share Posted June 29, 2014 Does anyone know what this switch is? It's under the dash by the dash lights dimmer. I can't find any mention of it in the shop manual. Regards, David Quote Link to comment Share on other sites More sharing options...
Mark D Posted June 29, 2014 Report Share Posted June 29, 2014 The toggle switch shuts off the dash lights. Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 29, 2014 Report Share Posted June 29, 2014 Heater switch. Missing the plastic knob? Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted June 29, 2014 Report Share Posted June 29, 2014 The pictured switch and the following information is for a P-15. Some of the toggle switches are 3 position. Off, dim, and dimmer. Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 29, 2014 Report Share Posted June 29, 2014 On the 1946-8 chryslers the little toggle switch controls two map courtesy lamps at the rt and left kick panels. 1 Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted June 29, 2014 Report Share Posted June 29, 2014 Guess it would be nice had the original poster mentioned what car he was asking about. Quote Link to comment Share on other sites More sharing options...
kumhyr Posted June 29, 2014 Author Report Share Posted June 29, 2014 I knew the toggle switch was the dash dimmer/cutoff. I meant the round thing beside the toggle. Ah heater switch, that could be it, but I'm not sure. It's strange to have it there by the control for the dash lights dimmer. And there are two knobs on the heater itself for fan speed and for on/off. Regards, David Quote Link to comment Share on other sites More sharing options...
kumhyr Posted June 29, 2014 Author Report Share Posted June 29, 2014 oh it's a '41 D15 - like the title of the post... 1 Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted June 29, 2014 Report Share Posted June 29, 2014 oh it's a '41 D15 - like the title of the post... Sorry, I should have read the title closer. Quote Link to comment Share on other sites More sharing options...
kumhyr Posted June 29, 2014 Author Report Share Posted June 29, 2014 not a problem, thanks Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 29, 2014 Report Share Posted June 29, 2014 (edited) There is a resistance coil in that swtich. Did you follow any wires that are hooked to it if any? Looks like a black and red wire to it. Black is a color for a heater motor wire. Bob Edited June 29, 2014 by Dodgeb4ya Quote Link to comment Share on other sites More sharing options...
kumhyr Posted June 30, 2014 Author Report Share Posted June 30, 2014 Thanks I'll trace it out tonight. David Quote Link to comment Share on other sites More sharing options...
kumhyr Posted July 2, 2014 Author Report Share Posted July 2, 2014 Hi Bob, I traced it out and it is connected to the heater. Glad you mentioned that because I found the wires had been cut and twisted back together on the firewall by the heater- no tape, just a twist. I'll have to fix that before winter, since I'm in central Texas maybe not. I turned the switch - I didn't do that before because it looked like it might have been some type of sensor. It turns easily and has four obvious detents when you turn it. Like 3 run positions and an off. The coils at the back of the switch inside the ceramic enclosure puzzle me. Are they resistance coils or some type of thermostat limiter? Do you know? Regards, David Quote Link to comment Share on other sites More sharing options...
Solution DonaldSmith Posted July 2, 2014 Solution Report Share Posted July 2, 2014 The coils are for limiting the speed of the three-speed fan. My Uncle Arthur drove a 30's car through the 50's, then bought a compact 60's Chevy. His comment: "Two-speed wipers, three-speed fan, don't know what a fella needs all that for." 1 Quote Link to comment Share on other sites More sharing options...
ledfootslim Posted July 2, 2014 Report Share Posted July 2, 2014 Huh, that's weird. On my 48 Desoto, there is a little red glass bulb that you twist for the maplight right in that spot- is there one in your Plymouth that I'm not seeing? Quote Link to comment Share on other sites More sharing options...
greg g Posted July 2, 2014 Report Share Posted July 2, 2014 please remember that a lot of the items in your cars may have been dealer installed option, especially stuff like heaters, map lights, under dash courtesy lights, so they may have been technicians choice when deciding where to mount the switch for accessories similar to those. 1 Quote Link to comment Share on other sites More sharing options...
Mark D Posted July 3, 2014 Report Share Posted July 3, 2014 Options for switiching back in the day seem to have been numerous. I make a point now of peeking at 40's dash controls at the cruise nights and car shows. I've literally seen hundreds of different types of switched, rheostats, etc. I never seen one for dealer installed options that is Mopar issued for P15 beside the dash light toggle, other than the push/pull fan switch that gets mounted next to the ignition. Quote Link to comment Share on other sites More sharing options...
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