Posted on Jan 14, 2010

2003 Trail Blazer Tachometer .... I passed

2003 Trail Blazer Tachometer .... I passed battery to a truck that didnt need it bc that was not the problem ,, after that my trucks metter is all the way up... the battery voltage and alternator are ok.... why is the niddle still marking all the way up to the right? like showing is overpowered... idkkk..helppp

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Anonymous

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Posted on Jan 14, 2010

Anonymous

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The trailblazer / envoy vehicles have instrumentation problems. A sweep test with a scan tool will likely reveal a problem with the tachometer in your instrument cluster. It can be repaired by any number of dedicated repair facilities or the entire cluster can be replaced. I heard that there is a recall of these, but do not know for certain. It might be worth a call to a chevy dealer to see if it is.

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