Electrical System Related Problems of the 2003 Jeep Wrangler

Table 1 shows six common electrical system related problems of the 2003 Jeep Wrangler. The number one most common problem is related to the electrical system (two problems). The second most common problem is related to the ignition switch (two problems).

Table 1. Electrical System related problems of Jeep Wrangler


Recently reported Electrical System problems of the 2003 Jeep Wrangler

The Electrical System problem

The contact owns a 2003 Jeep Wrangler. When attempting to start the vehicle, it would hesitate to start. Several attempts had to be made in order to start the vehicle. Once the vehicle was able to start, the radio would fail. When the brakes were applied, the vehicle would stall without warning.   Read details...

The Ignition Switch problem

About 5 years ago I took my Jeep in because when I hit bumps my radio would go off and on, when I would shake the ignition keys the radio goes on and off. Took it to the shop once they said they fixed it, did it again and I took it a second time, they charge me for new ignition switch and said my   Read details...

The Wiring problem

There is no low, med or high fan settings on my heater fan. Replaced heater resistor, and wiring harness due to melted harness. Still no heater fan. So as the local Jeep dealership parts department had advised that there was an on going issue the the heater fan switch.   Read details...


Electrical System related problems in other Jeep Wrangler model year vehicles:



Safety Ratings of Wrangler Cars
Fuel Economy of Wrangler Vehicles
Wrangler Service Bulletins
Wrangler Safety Recalls
Wrangler Defect Investigations