Five problems related to wiring have been reported for the 1997 Jeep Grand Cherokee. The most recently reported issues are listed below.
Wiring harness lost connection to ground for the pcm. Ground would not allow fuel pump to work properly without major work to the wiring harness.
Driving at steady 35 mph engine started to stutter,lost power and stalled unexpectedly. Took a few times cranking to restart,finally started. This has occurred intermittently with no warning or dash indicator like check engine light coming on. Numerous repair attempts and thousands spent since,problem still occurs now average of twice weekly. Occurs at different speeds,temperatures and conditions. Have found online reference to many similar stalling problems for people around us. Dealer said there is no recall or bulletins that would help fix,very hard to diagnose. Finally found that if jiggle wire connector to engine e. C. U. Could make engine stall. E. C. U. Has been replaced but website electrical engineer said the wiring pulls down on the connectors eventually fracturing the solder holding connector pins against inner connections causes this. He proved by resoldering as needed but said the wire routing and 90 degree angle to the connectors will cause recurrence.
1. There were no indications that led to a spontaneous fire in my automobile (Jeep) 2) it was determined by the fire department and confirmed by the insurance investigator that the fire was caused by a short in the wiring.
While driving vehicle at night, the entire electrical wiring system went out, causing visibility problems. Could not read dashboard panel due to electrical failure. Also, the speedometer does not work. Not showing correct speed/ belts are out of alignment.
Consumer states when she was parking her vehicle it spontaneously caught on fire, no injuries.