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I just had a brand new motor installed in my 96 gmc k3500 with the 5.7. Also had new clutch. New radiator. New water pump. New crank and new cam. I replaced all the temp sensors and put in a new di...
1988 gmc 3500, 454, need locations of all ground wires so we can check to make sure we dont have a bad ground somewhere, brand new battery, starter, alternator, cap, button, wires,and spark plugs,...
Can a 2019 GMC 4WD DENALI 3500 be flat towed behind a MOTORHOME? Is there a transfer case for diengaging the transmission from the drive system?
We have a 1994 GMC Sierra 3500 dulley the guy wants us to put a 350 motor in it without the wiring harness. .Can anyone tell me how I can get fire to this motor? We have the old one out and the 350...
I have 87 GMC 3500 and I have pulled most of the dashboard off in order to see the vent doors. it appears that the doors are working. no air coming out the dashboard or defrost vents. there is high ...
I found a blown fuse link that I assume goes to the starter, since nothing makes a sound when I try to start the truck. I need to know how to bypass the ignitionswich and put a push button to star...
04 GMC 3500 Sierra 6 litre engine running badly at idle it misses terribly. Under load driving, it has no power AND RUNS BAD MISSING. REVING IT UP WITH NO LOAD IT SOUNDS GOOD. tHE CODE READER SAID T...
Engine gets fuel and spark on number 1 plug. Turns over but doesn't start. Sounded like it back fired last attempt. Any immediate ideas?? Trying timing right now.
The sensors on the driver's side continue to on and off randomly. What's the problem? (2015 Chevy Silverado Pick Up)
2004 gmc 3500 8.1 engine SLT long bed 69,000 miles having trouble find fair price to buy this truck 2 owner 4x4 can send vin and link if that would help I know what they are asking but think for...
It died on me when trying to start it it backfires
truck engine keeps running with key off,,dash off,,,cant figure it out
What's the spark plug gap on this truck
A re-occurring issue with this truck. I'm sure if I change the ICM again it will start right up. just looking for additional information. The ones I replace always test good at the local Autozone. May...
My gmc 3500 will start up in the morning just fine. As I start to drive after a few miles it loses all fuel and dies. Then I try to start it and it just cranks and cranks and finally will start bu...
the RMFD1 (the brain) keep burning out. it's getting warm then fails. Just put a new one in and it happened again. Please help
When I try to start my truck it true to turn over but it shakes the motor . And it leaks oil
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