My speedometer does not work on my 2003 GMC envoy. recently bought it and the trasmission was bad. we replaced it but the speedometer doesn't work we also replaced the speed sensor.
Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Envoy instrument cluster repair
Check the cable going into the tranny that clip might have come off
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