Wiring problems of the 2005 Chevrolet Silverado 2500

The wiring harness for the heater blower motor resistor melted and this has happened twice now causes smoke and you loose the heater function. Not sure if it could get hot engough to start a fire.

I was pulling out of a side street on to a busy highway had to merge quickly the truck would not accelerate engine was skipping check engine light comes on had to pull over all most got hit by traffic due to the lack of power and not able accelerate I take the truck to dealer they have it 3 days working on wiring harness shorts to injector 6 caused by improper wiring harness routing I had to inform them of gm TSB on this they fix it and said not covered under engine warranty costs $370 this truck was in may 09 for skip and p1238 open circuit injector 6 and problem was not found cost $100 the TSB had been out since 07 this is very dangerous when crossing busy highways and loss of power occurs.

The contact owns a 2005 Chevrolet Silverado 2500. The contact used the lighter installed in the vehicle to light a cigarette. Minutes later, he noticed blue smoke emanating from the instrument control cluster. Upon further inspection, he noticed that the wiring in the fuse box melted. The contact took the vehicle to the dealer and they stated that the wiring harness and fuse box needed to be replaced at the cost of over $2,500. The vehicle has not been repaired. He is in the process of notifying the manufacturer. The failure and current mileages were 64,000.

2005 chevy 2500 diesel truck has a fuel injector problem caused by a short in the electrical wiring due to fraying of the wire bundle. The consumer stated the vehicle developed a loud knock in the engine during warm-up and while driving. The knock was intermittent. The consumer stated if fraying on the outside of the wire bundle harness was evident it could be re-wrapped and re-routed. It currently is attached to a very sharp post on the engine manifold with a nylon pull tie. As the motor runs, the wire rubs against a sharp edge of the post and frays which can cause a short and make the fuel injector misfire.

During a routine morning commute, I noticed the check engine light had illuminated. Immediately following the malfunction, I noticed a severe decrease in engine power and the engine started to vibrate and mis-fire heavily. I was in heavy traffic and had to pull off of the road to avoid a potential accident situation. I then shut the truck off, and re-started the vehicle to possibly re-set the light. The engine started and seemed to run smoothly again, but the light stayed illuminated. It was 7am, so I decided to very slowly drive to the dealership where I had purchased the truck. The technician performed a diagnosis, and found a hard code of p2146 insulate ficm. I was then told that the main fuel injector system wiring harness had chaffed on a factory installed bracket and that it would need to be replaced. I was then told that they did not have the parts in stock, and that I would have to wait for one week to have the parts replaced. In the meantime, the technician stated that he had "insulated" the harness, and that the light was out. He stated that I should be able to drive the truck without any issues, but if the check engine light comes on again and I also receive a "low power" message on the annunciator panel in the dashboard, that I must park the truck and get a rental vehicle until the parts arrive and repairs can be made. The technician stated that this would cause four of the eight cylinders to shut down and cause a lean engine fuel condition which could result in engine failure. As of yet, parts to be replaced within one weeks time.