Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

no power to dash gas gauge & temp No Crank

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Old 01-31-2020, 11:27 PM
Tobin Smith's Avatar
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If anyone reads this and has the same problem. Here is something to check! I think I figured out what the problem was. I switched relays 77 & 78 and the gas gauge came alive again. It wouldn't start still. I took them both out and cleaned them up. Put back in and it started right up;} Tomorrow I will go buy 2 new relays and hope that is the fix!!! Bad thing about being a midnight mechinac! Thanks for trying to help me!
 
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