gear jammer
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...but still works on high speed? what would cause this?
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I HAVE A 2004 GMC CANYON the heater blower quit working on the first 3 speeds...
- Thread starter gear jammer
- Start date
blower motor
same thing happened to me you need to find the ground blocks under the hood that is what is causing it I went through about 5 blower motors before i figured it out you need to clean the ground blocks and make sure they are touching clean metal and it will stop doing that.
same thing happened to me you need to find the ground blocks under the hood that is what is causing it I went through about 5 blower motors before i figured it out you need to clean the ground blocks and make sure they are touching clean metal and it will stop doing that.
Bad Blower switch?
Thanks,
OK I will bite ....where are the grounding blocks ?? I have a 98 Sonoma and the fan runs on level 3 and that is it..Would love to get it fixed..
Thanks Eric
same thing happened to me you need to find the ground blocks under the hood that is what is causing it I went through about 5 blower motors before i figured it out you need to clean the ground blocks and make sure they are touching clean metal and it will stop doing that.
Thanks,
OK I will bite ....where are the grounding blocks ?? I have a 98 Sonoma and the fan runs on level 3 and that is it..Would love to get it fixed..
Thanks Eric
94offroad
New member
its not the switch but the blower motor speed resistor set, my 04 Colorado did the same thing
Tim'sGMC
New member
That is properly called the resistor it has 4 wires that hangs down into toward the floor and when you have large tall people riding in the front ppassenger seat they stick their feet up again=st the plug connection and the plug eventually weakens
Tim'sGMC
New member
Location of ground blocks
That is absolutely my problem, The motor isn't seeing ground. I have checked the main ground at the battery and of course it is good. I have looked for other locations but was unsuccessful. Can you point me where to look?
same thing happened to me you need to find the ground blocks under the hood that is what is causing it I went through about 5 blower motors before i figured it out you need to clean the ground blocks and make sure they are touching clean metal and it will stop doing that.
That is absolutely my problem, The motor isn't seeing ground. I have checked the main ground at the battery and of course it is good. I have looked for other locations but was unsuccessful. Can you point me where to look?
Tim'sGMC
New member
That is absolutely my problem, The motor isn't seeing ground. I have checked the main ground at the battery and of course it is good. I have looked for other locations but was unsuccessful. Can you point me where to look?
Tim'sGMC
New member
Where are the ground blocks? I check the main one at the battery it is good