Questions & Answers for: GMC modulator

no spark on my truck I have no spark on my truck Most likely cause of this problem on GM vehicles with a distributor, is the ignition module. To replace the ignition module. Remove distributor cap and

1990 gmc sierra(v6,4.3)starts but cuts off after running for about 2 min. replaced fuel pump and relay. could it be the distributor? Is this an HEI distributor (large cap with coil on top) or a small ...

cranks over but wont start. Problem happens mostly when it has rained, but lately on a dry morning as well. has had a full tune up and that worked for a few weeks, but now it's back. I know it's gotta

Truck will turn over but not start. Checked fuel flow up to injectors, all good but injectors were not spraying into throttle body. Changed Coil, wires, battery, fuel filter...even with all the ...

I have a 2002 gmc envoy xl. the heat and seat and mirrors work fine, however every time i turn the car on or off the seat shifts all the way forward and the mirrors tilt in. to solve some of the ...

Where is the Body Control Module located? I need to replace this but am not sure where it is. I'm just curious if your aware of the BCM function's on your vehicle an if you know what the gate way ...

I have a 2003 GMC Yukon XL Denali that today all of the gauges went to zero and Odometer is out. The truck starts and drive Great.... What can cause this problem? My drivers seat works in reverse and ...

where is 2007 gmc acadia rear liftgate module located and how do I determine if it is the liftgate module control module or hands-free closing motor that needs replaced? It's located inside the lift ...

Code p0496 the purge valve on 09 gmc acadia. Replaced that now have code u0100. DTC U0100-U0299 Circuit/System Description The serial data circuit is the means by which the control modules in the ...

2008 GMC Yukon. Where is the OnStar module on it please? Replacing OnStar module. But no idea where it could be? The OnStar module on a 2008 GMC Yukon is located in the centre console, underneath the ...