Climate control system stopped working, where are the fuses located?

Tiny
DIRTRACER822
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 98,000 MILES
Vehicle listed above is a Limited model. While driving on a dirt road my climate control lost power. The control panel lights went out and the blower stopped. I looked at the fuses but I’m unsure which fuse(s) is for the climate control.

I did remove the control panel from the dash to inspect the plugs and look for a shorted wire. Everything looks good. Just unsure how to proceed. I don’t like throwing parts at a problem until I know what the root cause is.

Any information will be greatly appreciated!
Wednesday, July 20th, 2022 AT 6:08 AM

2 Replies

Tiny
BORIS K
  • MECHANIC
  • 799 POSTS
Hello,

At the climate control module.

Connector C1
Pin 9, black wire ground

Connector C2
Pin 12, pink wire Constant 12V from fuse 7, 10A
Pin 11, white/pink wire Ignition from fuse 20, 10A

How to test fuses
https://www.2carpros.com/articles/how-to-check-a-car-fuse

How to use a test light or voltmeter:
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
and
https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please see schematics below.

Hope this helps.

Cheers, Boris
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Thursday, July 21st, 2022 AT 9:00 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
We need to start by checking the fuse # 1, 10 and 21 in the under-hood fuse panel, and fuse # 7, 20 and 21 in the interior fuse panel. here is a guide to help and the fuse locations in the diagrams below. Also, I have included the A/C and HVAC wiring diagrams so you can see how the system works.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.

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Thursday, July 21st, 2022 AT 9:00 AM

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