Question about Chevrolet Cars & Trucks
Doesn't show how fast i'm going and battery gauge doesn't work
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Posted on Jan 02, 2017
sounds like your missing a ground somewhere.
Posted on Apr 21, 2009
MAKE SURE COOLANT NOT LOW.IF ALL IS GOOD.THE DEALERSHIP HAS TO FIX SOUND LIKE PROBLEMS IN THE AUXILIARY HVAC CONTROL MODULE.IT CONTROLS THE HEATER AND AIR DOORS ACTUATOR.THAT COULD BE WHY YOU ARE NOT GETTING HEAT. YOU HAVE A FAULTY CLUSTER IF YOU HAVING SPEEDOMETER AND FUEL GAUGE PROBLEMS.BUT CHECK BATTERY VOLTAGE IT SHOULD BE 12.5 VOLTS WITH ENGINE OFF.13.5 VOLTS TO 14.5 VOLTS WITH ENGINE RUNNING.I HAVE SEEN A BAD AND WEAK BATTERY CAUSE DASH GAUGE PROBLEMS AND CHECK ENGINE LIGHT TO COME ON.IF CAR FAILS THE VOLTS TEST.IF YOU USE A DIGITAL VOLT METER BATTERY WAS NOT 12.5 VOLTS.YOU NEED TO HAVE THE ALTERNATOR AND BATTERY TESTED.YOU CAN GO TO ADVANCE AUTO OR AUTO ZONE.AND SEARS THEY WILL CHECK TO MAKE SURE BATTERY AND ALTERNATOR IS WORKING.THEY WILL DO IT FOR FREE.
Posted on Jan 17, 2010
SOURCE: Chevy Trailblazer 2005
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 Trailblazer instrument cluster repair
Posted on Oct 07, 2010
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