drof

My revcounter and speedometer jump around together even while the motor isn't running. All I need to do is turn the key. Has anyone come over this problem out thier?

Pamsdad

Bad Grounds are a Common Problem...

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97 Chevrolet CC Dually
00 Blazer

troy1

bad ignition switch? 95 have this happen but the tech and speedo quit working and cause bad shifting

troy1

bad ignition switch? 95 have this happen but the tach and speedo quit working and cause bad shifting

drof

Thanks for the replies.
I have already tried running a ground wire directly to the back of the instrument cluster and cleaning the connectors which made no difference.
The ignition switch has been giving some problems. Starting and on a dark night I can see arcing in the column starter switch. Sounds like the two problem could be the same thing, I think Ill try replacing the switch next.
thanks again Drof.