Questions & Answers for: Geo how to check ground problem

...somewhere under the steering wheel. Check the manual for the proper circuit to ground. With the engine warm and the circuit grounded. Set the proper timing. Un-ground the circuit and you are

...check where it hooks to the engine ground... they brake there becouse of the extreeme movement of that engine...check the terminal on the starter that is ware the return charge goes through. and on ...

...(12 volts found). suspected possible ECM, purchased one at salvage yard and replaced (did not fix). checked ground wire for inj. control circuit to ECM for any voltage drops (none found). At this ...

...by following the wires back to it, if so equipped. Check for a good ground for the headlamp wires that you follow back to make sure they are solidly connected to a ground. Good luck on this

...housing. is there supose to be another ground off that? yes every thing is grounded also check your starter. make sure all wires are tight and that the starter is good. also check your starter ...

Dim head lights. Bright. Lights look the same Its most likely a bad ground. Check for Broken or corroded wire...if you cant find it, run a new ground wire.

1990 Geo Prizm Center Stop Light not working. I've replaced with new bulbs and recently checked them using other simple means. I'm thinking a grounding issue...but I'm not an electrical genius nor up ...

...check if the circuit is being completed by going from the 12V power supply at the light to the ground socket of the light if you have !@V its OK, if not you have an open ground circuit. If the ground ...

...check engine light blinks 2 fast and one short what does it mean? Its a obd secondary code. http://www.robietherobot.com/metro/errorcodes.htm code 21.
TPS reads wrong, stuck high
usually means ...

...ground the tip of the plug against a grounds bolt on the engine? Many times I have seen someone hold a plug in the air looking for the spark. Did you use a scan tool to check which cylinders weren't ...