Re: 1941 overdrive harness
Posted by HH56 On 2024/5/10 19:07:58
You might check with Y n Z Yesterday's Parts as they do show a listing for something called an OD harness with a higher price than others. That might just be the short connector harness others make so if that is not what you need, because the OD wiring is typically in two different looms -- part in the main engine loom and part in a short 5 wire under car connector loom to the solenoid and governor -- a single OD only specific loom is not likely to be found as a stock item.
Rhode Island wiring shows the short connector harness separately at a much lower price so I would think they should be able to custom make a complete harness if you want to pay for it. You might call and ask them if they could combine the specific wires in the engine loom along with the aux section and wrap them into a single loom as shown in these drawings. Note the drawings are for the stock R9 OD as used in those years but if you have had a later R11 OD retrofit made available in 47 or one that someone installed if your car was not originally equipped with OD then this wiring will not be correct.
Here are two drawings, the white one being a bit easier to read and has wire sizes. At a quick glance the only difference is the relay is drawn in a different orientation and the yellowed drawing shows the circuit going to the headlight switch which is used for the indicator light dimming that was a feature on some senior models. Otherwise, I believe they are the same.
Note that if your car has an Electromatic Clutch there would be another wire going to the governor in that small loom. I am not sure if the several additional prewar EC wires that are going to switches on the side of the transmission share the small OD loom or if there was an entire separate loom for EC wiring and the governor wire just joined it at the same place on the frame where the OD wires from the main loom connected.
Attach file:
OD1.jpg (381.30 KB)
OD2.jpg (418.88 KB)
Rhode Island wiring shows the short connector harness separately at a much lower price so I would think they should be able to custom make a complete harness if you want to pay for it. You might call and ask them if they could combine the specific wires in the engine loom along with the aux section and wrap them into a single loom as shown in these drawings. Note the drawings are for the stock R9 OD as used in those years but if you have had a later R11 OD retrofit made available in 47 or one that someone installed if your car was not originally equipped with OD then this wiring will not be correct.
Here are two drawings, the white one being a bit easier to read and has wire sizes. At a quick glance the only difference is the relay is drawn in a different orientation and the yellowed drawing shows the circuit going to the headlight switch which is used for the indicator light dimming that was a feature on some senior models. Otherwise, I believe they are the same.
Note that if your car has an Electromatic Clutch there would be another wire going to the governor in that small loom. I am not sure if the several additional prewar EC wires that are going to switches on the side of the transmission share the small OD loom or if there was an entire separate loom for EC wiring and the governor wire just joined it at the same place on the frame where the OD wires from the main loom connected.
Attach file:
OD1.jpg (381.30 KB)
OD2.jpg (418.88 KB)
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