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K2500

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Question
Do I have a problem with the electrical system?
Hi, thanks for writing in. The charging system is not very complicated. If the alternator and the battery are absolutely 100% good, no doubts about it, then the issue is likely a bad ground. Both the battery and the alternator...
Question
My truck won't crank? 1996 Chevrolet K2500
Hello. If it starts with the rag, then it is a fuel-related issue. I usually check the fuel pressure just to make sure it is fine. If it is, then I check the injector pulse at the fuel injectors. If...
Question
The truck is from Georgia which doesn't have smog control. In California it won't pass smog. It has a new motor and transmission.
Hi, the blue-grey smoke you mention is your engine burning oil, probably due to worn piston rings or valve guides and seals. This is expected from an engine with 300K miles on it. Unfortunately for you, California has pretty stringent...
Question
Truck wont start
Hi there: It's possible that you may have a faulty ignition relay, or other electrical problems that are causing the vehicle to not start. However, the crankshaft position sensor is also a component that can cause a timing issue; leading...
Question
reverse went out
Hello, the issue needs to be addressed, the vehicle will become inoperable in all gear ranges. The automatic transmission has 3 systems; electronic, hydraulic, and mechanical. What describe could be an internal mechanical failure with transmission. The electrical system...
Question
Burnt wires leading to tail lights.
Hi - wow, what a challenge! Regarding the reverse lights being on all the time, I would check the reverse light switch on the transmission. I suspect it is stuck in the "ON" position. Regarding the fuel pump being inoperative,...
Question
Will front suspension parts (other than hubs) from a 6 lug k2500 work in an 8 lug k2500?
Hello. The difference in the lugs is bases on the weight or tonnage of the truck. The suspension is built based on this. If you truck is an 8 lug then you should only use the parts that are made...
Question
Stalling engine after engine warms up
This is a common sign of a faulty ignition coil. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeated as the copper beneath them expands and contracts at a higher...
Question
Idles great, but won't accelerate
This may be caused by any number of things, but may be most commonly associated with a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to...
Question
Electrical system not charging
You may have a failing voltage regulator that could be allowing the alternator to supply too much or too little amperage to the battery resulting in the battery never maintaining a consistent charge as it is designed to. The voltage...
Question
Where is the body control module located on my pickup?
The BCM is under the center console up near the front near dash. One of the seats need to be removed first, then you will need to remove center console. Once the console is removed you can then access the...
Question
Where is the body control module located on my car?
The BCM or body control module will be located under the dashboard on the driver side towards the center of the vehicle. Look to the right of the steering column towards the firewall. It will be a small black rectangle....
Question
Squeaking sound - 1990 Chevrolet K2500
Hi there. It sounds like it could be a harmonic balancer. Before replacing the balancer, check the radiator fan to see if the blades are hitting the shroud or anything else. Also check the fan clutch, if equipped, for...
Question
Crank but wont start - 1995 Chevrolet K2500
Hi there. Water will sink down in the fuel. Check the air filter to see if it is dirty. On a diesel engine, if the air filter is dirty then the engine will not start. Check to see if your...
Question
Transmission problems?
If you feel that you are experiencing transmission issues, I would recommend having your truck inspected by a certified professional with experience in transmission diagnosis. If you continue to drive the truck with these issues, they can become worse and...
Question
How can I find the correct chassis wiring harness for my truck?
The harnesses are referred to in GM parts catalogs as "body wiring" and "rear lamp wiring". However, the correct wiring harness for your vehicle can only be found via a VIN number search in the catalog. It can't be searched...
Question
Do I have to remove the upper intake manifold to replace my fuel pressure regulator ?
The fuel pressure regulator on a sequential fuel injection system is inside the intake manifold on this engine and the upper intake needs to be removed for access. Make sure to replace all gaskets and seals when manifold is removed....
Question
Odometer stopped working 1994 Chevrolet K2500
Hello - your truck has a digital instrument cluster. It is possible that either a speed sensor, or something in the clusters electrical components is failing. (These are notorious for failures) There are rebuilders for these clusters who can offer...
Question
My front passenger side brake is locking up in froward motion.
Hello. It sounds like you have a pressure problem to that wheel. I usually start by checking to see if there is residual pressure in the line. If there is then I check and see if the same pressure is...
Question
I need to know which body wiring harness goes to my truck- VIN lookup
My best recommendation would be to contact your local dealership. If you give them your year, make, model, vin, and a description of the wiring harness that you need, they should be able to give you some information in regards...

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