Jayden S Posted April 28, 2022 Report Share Posted April 28, 2022 Hello all, I have been wondering what this missing knob is supposed to be for my 1940 Plymouth Roadking. The far left is lights then choke but I have no idea what is supposed to be on the right of the key. Quote Link to comment Share on other sites More sharing options...
desoto1939 Posted April 28, 2022 Report Share Posted April 28, 2022 where is you switch for the instrument panel speedometer lights? On my 39 desoto the left knob is for the headlights then the next knob is for the panel lights then I have a knob for wipers because my car came with electric wipers. then throttle then the cigar lighter knob. Rich Hartung desoto1939@aol.com Quote Link to comment Share on other sites More sharing options...
Jayden S Posted April 28, 2022 Author Report Share Posted April 28, 2022 Left is headlights, choke, unknown. Gauge cluster dimmer is under dash on a three way toggle. Quote Link to comment Share on other sites More sharing options...
OUTFXD Posted April 28, 2022 Report Share Posted April 28, 2022 uuummmm its the power switch for the factory optional electric fuel pump? <jk> Quote Link to comment Share on other sites More sharing options...
Bob Riding Posted April 28, 2022 Report Share Posted April 28, 2022 Mine is L-R Headlights, Throttle, then Choke. Quote Link to comment Share on other sites More sharing options...
dpollo Posted April 29, 2022 Report Share Posted April 29, 2022 Bob's dash is correct. Someone has mixed up the positions of the control knobs Quote Link to comment Share on other sites More sharing options...
Jayden S Posted April 29, 2022 Author Report Share Posted April 29, 2022 15 hours ago, Bob Riding said: Mine is L-R Headlights, Throttle, then Choke. See that’s odd because where your heat controls are is where my Motorola is located. Quote Link to comment Share on other sites More sharing options...
Bob Riding Posted April 29, 2022 Report Share Posted April 29, 2022 You can see the knob layout in the b&w pic. The heat controls were an add-on that I installed, and were considered "available a a low extra cost", otherwise if your car came equipped with a heater, you adjusted the heat through louvers and knobs on the unit itself, which was usually suspended under the dash. Quote Link to comment Share on other sites More sharing options...
Booger Posted April 30, 2022 Report Share Posted April 30, 2022 dash throttle very cool. cruise control Quote Link to comment Share on other sites More sharing options...
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