Questions & Answers for: GMC Sierra 3500 replacing ecm

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replacing fuel filter in 6.6l v8 diesel truck I am trying to replace my fuel filter. (I have had it replaced professionally in the past, but want to do it myself.) A simple question: How do I create ...

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I have a 2000 GMC Sierra. The Driver side interior door handle no longer opens the door. I know this is a problem with all vehicles of this model. What is most likely wrong and how do I fix it? have ...

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Question about 1999 Sierra 3500

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I have a 1999 Chevy k/series 3500 4x4 fuel problem. I cannot hear the pump prime when you turn the key on. How can i check to see if the pump is bad without dropping the tank? Or, could there be ...

no brake lights on 2000 gmc 3500, replaced turn signal switch, all power good at fuse, replaced stop light switch, have directionals & 4ways & parking lights Does it have a trailer hitch and ...

Question about 1999 Sierra 3500

1 Answer

ECM I fuse keeps blowing in my 1996 1 ton gmc sierra 4x4 with a 454 v8 engine whats causing it For the ECM 1 fuse to open you obviously have a short to ground , start with the injector disconnected ...

1997 gmc sierra 1500 ecm fuse pops when trying to replace you have a wire grounding out somewhere. The only way I know how to find it quickly is not very safe and requires extra work later. 

I replaced the fuel pump relay, noticed that i had a blown fuse marked ecm. repaced that.ran truck for around 20 min.turned off. when i went to start again it wouldnt. looked at that same 20 amp fuse ...

Question about 2006 Sierra 3500

1 Answer

lbz duramax will not start fuel lite on with full tanks, fuel to bleeder with pump, code read glow plugs 2 4 6 8 and p2610 ( had battery dissconnected) cranks fine ecm relay clicks in all lites ...

bright went out after replacing the headlight Sealed halogen light replacment Replace with new bulb you must not touch the glass part of the bulb.oils from fingers will cause it to burn out, also make

I have an 03 GMC 3500 dually that the driver's side fender running lights won't light up. The passenger side work fine. Also my reverse light doesn't light up either. Are the bulbs good ? Did you ...

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