I have a 2003 GMC Duramax. The truck has never given me any problems, but it does have a few eletrical glitches at times. The tach is pretty sporadic, and the oil pressure gauge quits working sometimes two. Those are the only two gauges that I have problems with. When I baught the truck it had an edge unit hooked up to it. I have since removed it and was wondering if this could be the root of my problem? If anyone has any advice on what would contributes to my problems I would appreciate it. I am sure that I plugged everything back in properly, but I don't know if I like the idea of my oil pressure dropping and me not knowing. Thanks

Nick

Its your stepper motors im the cluster,do a serch and you will find a bunch of info.

I have a 2003 GMC Duramax. The truck has never given me any problems, but it does have a few eletrical glitches at times. The tach is pretty sporadic, and the oil pressure gauge quits working sometimes two. Those are the only two gauges that I have problems with. When I baught the truck it had an edge unit hooked up to it. I have since removed it and was wondering if this could be the root of my problem? If anyone has any advice on what would contributes to my problems I would appreciate it. I am sure that I plugged everything back in properly, but I don't know if I like the idea of my oil pressure dropping and me not knowing. Thanks

Nick

Contact your GMC dealer with your VIN and have it repaired/ replaced (the gauge cluster) under GM's 70k mile special policy. If your over 70k miles, a quick call to GMC Customer Resistance should yield some help. And when all else fails, read this http://www.dieselplace.com/forum/showthread.php?t=140580&highlight=stepper

thanks for the response guys. Good article as well. Any idea on what kinds of cost will be associated with having GMC fix my cluster?

Under 70k miles $0
Out of warranty approx $380