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Tractor Talk Discussion Board

Re: off topic 2003 GMC assistance needed..


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Posted by Sprint 6 on June 13, 2015 at 19:48:53 from (50.102.10.244):

In Reply to: off topic 2003 GMC assistance needed.. posted by dennis min on June 13, 2015 at 19:35:38:

Those trucks have myriad dash cluster issues. It used to be just the stepper motors failed, but as they age I have been seeing them do more and more odd stuff. Start by checking the fuse labeled IPC in the under hood fuse block. If it is good and everything else in the truck operates, it is safe to say the ignition switch is good. I would then steer towards the cluster. You can take the cluster apart and reflow the solder on the power transistors on the circuit board. They are the little rectangle things clustered around the board. The bad ones show as darkened. Just flow the solder and that may fix it. Also, check the rear of the board for signs of corrosion starting under the coating, been starting to see that, too. If you want a fool proof repair, buy a Dormant lifetime warranty cluster, they actually test theirs. The places that advertise the cheap ones just do the motors, backlighting, and send it back to you. They do not fix the other problems.


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