Part Number ? (OD question)

[James_Douglas]

Anyone out there with a Plymouth or Dodge parts book that can give me the part numbers for the "T" handle and the little under dash bracket that was used on the overdrive cars?

George just sent me my DO unit. Look fine. The "T" handle he sent along is an after market unit and it is a little on the lite side. If I can find an original one and mount it under the left side of my dash that would be great.

Thanks, James

PS. I am looking for alternative ways to hook up the kick down. I will call Pete over the weekend, but if anyone else has any thoughts, now is the time. I have a SINGLE wire push button on the shift handle now for the fluid drive kick down and I would like to use that for the OD if I can figure out the wiring.

Also, George sent along a 3-position toggle switch in his wiring harness and I am clueless about how it is used. Best, James

[BobT-47P15]

Here is one OD schematic I found. Don't know if it's what you need or not.

[Jim Yergin]

James,

I am using one of those gearshift arm fluid drive kick-down switches on my o/d set-up. I had to use it to operate a relay switch because the normal position of the gearshift arm switch is the opposite of what I needed. I could not find a 6 volt relay so I used a 12 volt relay switch from Radio Shack and hooked it up to a 6 volt to 12 volt converter.

Jim Yergin

[blueskies]

I have a SINGLE wire push button on the shift handle now for the fluid drive kick down and I would like to use that for the OD if I can figure out the wiring.

Also, George sent along a 3-position toggle switch in his wiring harness and I am clueless about how it is used. Best, James

James-

I think your fluid drive switch will be perfect for the od kickdown. You will need to use a relay though, because the circuit in the stock setup is normally closed, and your switch, I assume, is normally open, completing the ground circuit when pressed. This is the same problem I had with my switch, thus the relay used in my setup as described in the tranny page of my site.

I did not use the second circuit of the factory kickdown setup (circiut B on George's diagram), which interupts the ignition momentarily. This setup makes it so that you cannot kickdown under full throttle, as the factory intended, because you must take the torque off of the tranny for the solenoid pawl to release itself. Instead, you have to let off the throttle, taking the torque off the system. To kick down out of od, you press the button, then let off the throttle, and the system shifts down.

I can't think of a reason for the three way switch in George's wiring diagram. The reverse lockout switch serves the same purpose, and is pressed when the cable is pulled out, preventing the ovedrive from enguaging while you drive. He must have some reason to disable the electrics while the cable is pushed in, but I can't think of a need for this.

George's wiring diagram, if you follow the circuits, is for the most part, identical to the factory wiring diagram, with the exception of the three way switch.

I leave the cable in all the time on my car, and the overdrive functions automatically in the background, shifting in an out as needed. I only pull the cable when I decend a steep grade and want the engine compression braking instead of freewheeling.

Looking forward to your call...

Pete

[Merle Coggins]

What does the Fluid Drive switch do?

I have Fluid Drive in my truck and there's no switch of any kind associated with the transmission or Fluid Drive.

Merle

[Plymouthy Adams]

It is the exact same handle/cable as used on the 1949 Plymouth hood release..only engraved with the word... OVERDRIVE and yes these are very heavy castings...

[blueskies]

It is the exact same handle/cable as used on the 1949 Plymouth hood release..only engraved with the word... OVERDRIVE and yes these are very heavy castings...

James/Tim-

The handle that I bought sounds like what Tim describes-

It's a stout cable, with a nice handle, but it doesn't have the word "overdrive" cast into the handle.

I used a bracket that I had left over from my '53 chevy truck heater setup to mount the handle under the edge of the dash, you can see it in this pic-

I bought the handle on ebay a few years ago for $38... It was listed as a Plymouth/Dodge overdrive/hood release cable.

Pete

[BobT-47P15]

I bought a new cable with a T handle from O'Reilly Auto for about $20 some time ago....can't recall the brand name. But the wire is not heavy enough for the overdrive. So it's sitting on the shelf.

Then Bob VanBuskirk got me a marine cable like one he has.....it is certainly heavy duty. Now, I have found what appears to have been either an overdrive cable or hood release cable from an early 50s Plymouth.....removed it and the L bracket from bottom of the dash myself. I think it will be long enough for the job. It's hanging on the wall for now. One of these days, will get Mr. Overdrive installed. Also have about 3 different methods for kickdown switching. Think I will go first with the shift knob button like Pete has.....bought a NOS one of those on ebay recently.....had the button and wiring already built in. Pete made his.....they look just alike.

[bob_amos]

James, The cable and bracket assembly is listed as different pieces. It is in group 21 (for trans) section 50 (for overdrive) Subsection 52 (for controls). The first part is in 21-52-7 and is called the Knob, w/wire under part number 1499131... next..21-52-36 and is called housing under part number 1499068... next is 21-52-36 and is called support under part number 1373449.. last is 21-52-40 and is called grommet under part number 1498858.. The numbers 21-52-** are the locations in the parts manual and the names are misleading unless you understand how they talk in the parts department on the corperation. A knob and wire is the handle and the cable found inside the outer portion of the housing. The housing is the item that the cable wire goes into. The support is the bracket bolted to the dash and a grommet is self explanitory. It is funny how they lable things. For example. The rear 1/4 panel area in front of the rear window is called a sail panel. The real window is called the back light. The trunk is the deck lid. It is a different language at the dealerships. And it is different from company to company. While Chrysler calls a cigarette lighter a lighter or shell and element and knob. GM calls it a cigar lighter. Even today I find myself saying and writing these dealership terms on the repair orders and when I order parts. The dealers like that I speak their language but the regular parts houses are confused st times. Anyway, I hope these numbers help you.

[James_Douglas]

Bob,

Thanks very much. Now with part numbers, on with the part hunt!

Best, James

[TodFitch]

. . . The numbers 21-52-** are the locations in the parts manual and the names are misleading unless you understand how they talk in the parts department on the corperation. A knob and wire is the handle and the cable found inside the outer portion of the housing. The housing is the item that the cable wire goes into. The support is the bracket bolted to the dash and a grommet is self explanitory. It is funny how they lable things. . .

I guess I have spent too much time reading the parts book because I understood you perfectly.