One problem related to trunk wiring has been reported for the 2007 Jeep Wrangler. The most recently reported issues are listed below.
The Jeep sat in my drive way for half hour before I took it out. Got 200 yards from my home and I lost power steering,horn and wipers going off with out touching any of them then the Jeep shut off and smoke poured out from the passenger side of the engine compartment. Lifted the hood and the right side of the inner fender was on fire! with in minutes the right side of the Jeep engine compartment was destroyed. The fuse box , battery, and wiring harness where destroyed. The fire department said it started in the fuse box. This Jeep is completely stock and as been perfect till this! never any issues in the year half I own it!.