GMC Sierra 2500 owners have reported 2 problems related to underhood wiring (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 2500 based on all problems reported for the Sierra 2500.
The contact owns a 2001 Chevrolet k2500 hd silverado. The contact stated that the fuel injectors on the vehicle are bad and the failure is caused by a faulty wiring harness. A local mechanic stated that in order to repair the failure the wiring harness and fuel injectors must both be replaced. Gm was contacted and stated that they had extended the warranty on the vehicles for this failure to 7 years or 200,000 miles, whichever came first. The contacts 7 year period had expired so the repairs would be at her expense. The failure and current mileages were approximately 158,500.
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all problems of the 2001 GMC Sierra 2500
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Wiring harness from blower motor to resistor pack located in the heater coil area under the dash on the passenger side of vehicle. This was repaired by the dealer once or twice before as far as we can see.
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all problems of the 2005 GMC Sierra 2500
🔎.
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Instrument Panel problems | |
| Wiring problems | |
| Dashboard Failed problems | |
| Ignition Switch problems | |
| Battery problems | |
| Dash Wiring problems | |
| Instrument Panel Failure problems | |
| Underhood Wiring problems | |
| Horn Assembly problems |