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2004 GMC Envoy Question: battery change

 

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firechicken, 5.3L V8, Bardwell, KY, June 08, 2011, 08:31
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Changed the battery now the cluster has gone crazy. Speed-O is inop and fuel guage is erratic. Also A/C is inop, no control from Hvac control head.

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  • Answer #1

    mastertech6371 June 08, 2011, 08:33
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     Master

    bcm is confused. remove a battery cable again wait 10 seconds and install. check and see if it all came back.

    Roy

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