Questions & Answers for: GMC Sierra how to check ground problem

...Check for ground. hook up a good ground to that light ground to see if the tail light works. if the light works, that light socket has bad ground. Make a new ground for it lights were working. Hooked ...

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 ...

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. ...

...new replacement plug. The truck ran fine for 3 days. Wire pump direct to battery pump works fine. Checked for power on grey wire from truck have power. Checked for ground on the black wire seemed a ...

...be a bad starter relay, an ignition switch,or finally a bad ground. Check the grounding of the remote starter relay, check for a plug-in connector off the end of the steering column for

...is on the radiator support. You can follow the black wire from the headlight plug. to the ground. Clean or relocate the ground, check the grnd. wires repair or replace if needed. Hope this

ground, check the driverside lights ground wire, this wire is bolted on the same side you will need to look around that area for that ground or run a new ground wire to the lights and see if that does

...ground wires for loose or bad connection . what else could it be ?????????????/ check all wires, especially back to fuel pump, rear tail lights, etc., make sure those ground wires are making a good ...

no voltage to fuse block for turn signals check for proper ground then your relays most time bad ground causes that problem,also check the wires at the positive battery post

check those grounds. Because those grounds are connected, ground wire is black, it looks like hunting a needle in a haystack. In the diagram, the top wires should be voltage and bottom wires ground. I