Quote:
Originally Posted by OrrieG
The stock wiring runs up the drives A pillar, then across the drivers side of the roof to the dome, at least that is how my 59 is wired. the stock wiring thru the switch varies the ground resistance through the reostat so you can get varying light level: mood to map reading! You will need to find a power source and just ground the light at the dome screws. If you want to run door switches, then they become the ground, normally open, close to ground when you open the door.
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Orrie, I think you are a little mistaken about how the panel and dome lights work. The panel lights are grounded by their sockets and the reostat on the light switch varies the amount of resistance in the 12 volt side. The dome light is wired directly to 12 volts through the "D" tab on the light switch and is turned on by the grounding contact on the switch when you turn the switch knob fully counter clockwise. Turning the knob clockwise dims the panel lights but this would turn off the dome light. The dome light is completely independent of the panel lights.