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97 jimmy instrumentation and running lights not working
Headlights work. However, all running lights are out. As are all instrumentation lights. When I turn on the headlamp switch for running lights or headlights, the radio and overhead trip computer display do not dim, as they should. This is with the ignition key in the run position. Or any other position for that matter.
I have checked all the fuses. Fuse #23 does not have any power to it when I check it with my voltage meter, although the fuse is good. It has no power on either side of the fuse, just to clarify. All other fuses are okay as well. Is there someting obvious upstream that supplies this fuse with power that could have failed? I've read about problems with the dimmer switch. Of the 4 wires at the dimmer control, none of them have power at any time.
Any advice would be helpfull - Thanks.