Taillights went out, then headlights followed-one week apart. For the tail I replaced bulbs and checked fuses and relays. Dash lights went out with headlights. Turnsignals and brakelights work.
That's strange, the dash lights are part of the tail light circuit, not the head lights.
You can check for power to the fuses with a 12V test light or a DMM. Blade type fuses have a built in test point on each side of the fuse where you can check. Have the Ign Sw turned to the ON position before checking.
Humanoid, I dont even know where to start on checking for a bad ground wire. any suggestions ? thanks man
I would start with the wiring harness you just added. That seems to be the only thing that has changed. It may have taken 3 weeks for a wire to get worn through and exposing the wire inside the insulation
If there is no power to tail or headlight fuses, there is a maxi fuse (40-80) amp supplying power to those fuses, follow power sourse back to battery you will either find a broken connection or corrosion, or a blown maxi fuse. ,
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