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  1. L

    Dome/Cargo/Courtesy Light Question

    Thank you, at least I know that both should turn on. As the poster stated above, it has to be a splice somewhere I cannot see. Will take dash/glove box, etc put and trace each wire. Thank you!
  2. L

    Dome/Cargo/Courtesy Light Question

    Thank you for replying!!!
  3. L

    Dome/Cargo/Courtesy Light Question

    I just checked, the dome/cargo light does not come on when the the dimmer switch is turned on, just the courtesy light. I checked wiring from the RH jamb switch, which runs directly to the courtesy light. Also on the courtesy light, a white wire directly to the LH jamb switch and a white wire to...
  4. L

    Dome/Cargo/Courtesy Light Question

    I have a diagram and seems that the the all lights (dome/cargo/courtesy) are connected in a parallel circuit to both door switches and headlight switch. Once one of the switches creates a short, all lights should come on. What I don't understand is why both dome and cargo work when either door...
  5. L

    Dome/Cargo/Courtesy Light Question

    Truck is a 1987 R10 reg. cab
  6. L

    Dome/Cargo/Courtesy Light Question

    I just fixed (replaced wiring) for the Dome and Cargo Light. New harness from fuse panel (power to battery) and spliced white (ground) wire to door jamb switch all the way to each light. Both lights now work when opening each door. Both lights shut off when closing door. Cargo light switch...

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