Questions & Answers for: GMC Sierra ground

...anyone knows? Did you check the tailight relay under the hood? Use a test light, one end to good ground, the probe end to the power end of tail light socket. If test light lights up, you have

...brake, go figure, I was rewiring for trailer lights etc, and the work fine again did you make a new ground when you wired it up and if you did where did you get the power for these trailer wires if ...

...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. ...

...to battery pump works fine. Checked for power on grey wire from truck have power. Checked for ground on the black wire seemed a little weak. The fuel guage works fine. I am guessing the pump ...

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 body. Repair

...I turn my left directional on the windshield wipers come on The first thing i would check is the ground, check the driverside lights ground wire, this wire is bolted on the same side you will need ...

...for the short? Quick lesson... on each bulb (or load on the circuit) you have a power side and a ground side. Blowing the fuse is a short to ground on the power side. You're looking for ...

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 ...