On my 1992 GTP my tach is in accurate. It jumps around when i first start it. Its also 250 rpms off at idle n bout the same at WOT...How can i fix this..its agrivating..
My turbo grand prix's is acurate....Just replace the cluster or it is a wiring problem?!
Quote from: MonteSSgtpOn my 1992 GTP my tach is in accurate. It jumps around when i first start it. Its also 250 rpms off at idle n bout the same at WOT...How can i fix this..its agrivating..
My turbo grand prix's is acurate....Just replace the cluster or it is a wiring problem?!
Most likely with the GPs, it's the cluster. :(