Read A/C problem not working

Asked by Jeanet Jun 13, 2023 at 06:45 PM about the 2001 GMC Yukon XL

Question type: Maintenance & Repair

front a/c works perfectly but the back a/c does not
even turn on any ideas what it can be ?

3 Answers
307,255

Gene answered 10 months ago

Check the rear AC blower fuse in the power distribution box under the hood, there is also a problem on some units where it body harness plugs into the engine compartment harness. And finally(this happened to my Tahoe) the plug at the rear blower motor melted due to a bad motor.

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Jeanet answered 10 months ago

Thank you, turns out there's a cable that is loose in the back where the a/c comes from not sure what it's called . Need to be replace I moved it just a bit and my a/c worked but the cable gets hot not sure if that's normal

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307,255

Gene answered 10 months ago

It should not get hot, you may have a blower motor going bad and drawing too many amps for the wiring. Had to do that on my old Tahoe.

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