Question about 2007 Hummer H3
Can you give me instructions on how to change my ecm on my 2007 h3 hummer
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Posted on Jan 02, 2017
switch ignition on. press instrument switch on off until oill reset appears then hold switch down for about 5 seconds and listen for faint bleeping noise oil is then reset.
Posted on Jul 20, 2009
I'm not 100% on this but I think it's like a lot of GM's; turn the key to the "on" position(not running), stomp the gas pedal to the floor 3 times within 5 seconds & the light should flash & go out.
Posted on Sep 24, 2009
It's the HVAC blower resistor in the air plenum under the glovebox. New resistor and wiring harness is about $70 at the Hummer Dealer.
Posted on Oct 07, 2009
I had the same problem and sloved it with the help of google images, hummer blower motor resistor. Under the glove box the blower motor resistor can be found. It comes loose and the blower will work at times. When I reached under and pushed the connector in, it works fine. It was fixed within minutes. I am a gal with a Hummer and save myself a huge dealer bill. Good Luck!
Posted on May 01, 2010
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