Questions & Answers for: GMC Sierra grounds

tail light not working. one of my tail lights does not work, the other does. Both of my brake light work as do all other lights. I have put a new bulb in, switched the bulbs, so I know it must be ...

98 gmc z71 Running lights won't come on, checked fuse inside and released emergency brake, go figure, I was rewiring for trailer lights etc, and the work fine again did you make a new ground when you ...

...affect parking lights or tailights. I have already replaced the headlight switch and checked the grounds. I even put a volt meter on the battery and dont sh ow a drop OK, This may not be a 92 gmc ...

Passinger side tail light and tag light don't work. I replaced both bulbs and checked all fuses. For easy testing, purchase a low voltage test light. It resembles a screwdriver with a wire pigtail. ...

Fuel Pump wiring I had to change the fuel pump in the tank. It would only idle then stall the pump was rattling and inconsistent. I replaced the complete sending unit And rewired in the new ...

My headlight is dull and blinker is blinking fast. I've already replaced all the bulbs, what do I do? There is a ground wire either broken , disconnected, or rusty where it is grounded to the frame or

I put a new grill on my 1998 gmc Sierra and when I put the headlights back on and tested them out all the power is directed to the passenger side lights and the other side is dim!! Also when I turn my

The fuse blows for my parking/tail lights as soon as I turn them on in my '96GMC truck. Started out every once and a while, now its instant. Is there a typical problem with this? Where do I start ...

ground wiring where are the ground mounts for lighting Usually the lights are grounded thru  the body back to the battery.  You would have to follow the harness to find the actual ground ...

...the circuit board mounted to the frame in rear of truck, I removed cleaned and tightened the grounds attached to the frame just behind the drivers side wheel and I checked the fuses. Same ...