Three problems related to dash wiring have been reported for the 2004 Jeep Grand Cherokee. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Jeep Grand Cherokee based on all problems reported for the 2004 Grand Cherokee.
2004 Jeep Grand Cherokee se 4. 0l all gauges bounce and stop working and the truck start slowing down at 60mph had to pull over to the left shoulder. Then the truck would not restart for 15min just as a toll truck was pulling up. Called the dealer and they say if the truck is running now there is nothing we can do unless it is not running. Now the window and door locks does not work. The interior lights stay on. After reading some other post on the web this is a known issue. It seem like there a problem with the wiring in the driver side door harness where one of the wires break away from the harness. After reading the below post Jeep has done nothing to fix the problem. This is a know problem for many years. Just read the below post. . Read more...
Wiring harness located between front door and frame inside rubber tubing is made of inferior materials and cracks with time exposing wiring causing a safety issue. . Read more...
Air conditioner blower motor failed to operate due to melting of connection of wiring harness to blower motor resistor. Possibility of fire with toxic fumes. Part was replaced by dealer and is available.