Question about 1994 Chevrolet K2500

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1994 Chevy K2500 Heater cotrol display

Heater control Temperature selection is flashing all of its little triangle indicators And the truck is having trouble idling when this occurs. the problems appear to be related.Don't have a code reader, and I am not sure what needs to be fixed.

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  • t1gger3 Dec 06, 2008

    I have the same problem with the heater control flashing on my 93 K1500. No other problems noted.

  • Anonymous Apr 23, 2009

    I have a 92 silverado with a similar problem but I have no power at all. I checked the fuses they are all good, I also checked my ground wires and they seem to be good. I bought a new heater unit replaced it and it worked for about two minutes and shut down. Any suggestions?

  • Michael Marshall May 11, 2010

    Sounds like you have a short somewhere in the system thats affecting your ignition also, but not serious enough to blow fuses, best bet is to get out your multimeter and start checking for a short somewhere.


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If you think you have trouble codes go to any autozone, or schucks. they will let you use their code reader for free in the parking lot

Posted on Apr 03, 2009

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