1992 Jeep Cherokee Power Seats Dead

1992 JEEP CHEROKEE

MREDSEL890

MEMBER
2 POSTS

Both power seats in my Cherokee, 127,000 miles, quit working. I cannot find a bad fuse anywhere, the owners manual does not mention power seat fuse, nor does a Chiltons book. I do not have power too the seats, I checked the input wires with a digital meter. As far as I can tell, everything else seems to work. Where does the wiring get its power? I am setting up the Jeep to be towed by my motorhome and I need to adjust the seat for the brake unit.

Jan 3, 2007 at 5:12 PM

BOOTDOG

✓Experienced Mechanic
665 POSTS

what you need to do is find a wiring schematic. i would try going to the dealer to see if they can print you a copy of the power seat schematic to see where the circuit goes. also look to see if it runs on a relay. good luck

Jan 5, 2007 at 9:58 PM

CONRADMAC

MEMBER
2 POSTS

Did you ever find out the problem? My 1992 Cherokee Briarwood (121,000 miles) has the same problem and I can't find any in-line fuse. The seats just suddenly stopped working. The circuit breaker works because the door locks work and they are on the same breaker.

Thanks

Jul 3, 2007 at 12:19 AM

MREDSEL890

MEMBER
2 POSTS

No, never found the problem. I ran a new wire, with in line fuse, from the battery (this way I do not need the ignition on to adjust the seat) to the power lead to the seat. It controls both seats.

Jul 3, 2007 at 4:19 AM

CONRADMAC

MEMBER
2 POSTS

Thanks for your response. Sounds like what I will do also. Do you know what amp in-line fuse you used?

MC

Jul 3, 2007 at 8:22 AM

BRIARWOODGIRL

MEMBER
1 POST

I had this problem in my 1991 briarwood. Took seats and carpet out and found corroded wiring that needed a section replaced.

Feb 22, 2021 at 6:15 AM

KASEKENNY

✓Experienced Mechanic
18,907 POSTS

Thanks for the addition. That is great info. I am attaching the seat diagram for others if they need it.

Also, here is a guide that will help others possibly find the same issue you did with your wiring:

https://www.2carpros.com/articles/how-to-check-wiring

Thanks again.

Image (Click to enlarge)

Feb 25, 2021 at 11:19 AM

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Suggested Repair

Obtain the power-seat wiring schematic and check whether the circuit uses a relay or shared circuit breaker. Inspect the seat wiring under the seats and carpet for corrosion or damaged sections and repair as needed. A fused direct battery feed was only an owner workaround, not the recommended diagnosis.

Conversation Summary

A 1992 Jeep Cherokee owner reported both power seats stopped working with no power at the seat wires and no fuse listed in the manual or repair book. An expert advised getting a dealer schematic and checking for a relay. Another owner with the same issue said the shared door-lock breaker still worked. The original owner never found the fault and ran a fused wire from the battery to the seat power lead. A 1991 owner found corroded wiring under the carpet that needed a section replaced, and an expert shared a seat diagram and wiring-check guide.

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1992 Jeep Cherokee Power Seats Dead

Suggested Repair

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