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Chevy Silverado and GMC Sierra Electrical and Computer Questions

354 messages,  Last post on Nov 20, 2009 at 11:13 AM

You are in the Chevrolet Silverado & GMC Sierra Forum. Your Host is kcram

What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck


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#215 of 354
Re: New Body Style Sierra computer upgrade/mod [obyone] by robskot
May 26, 2008 (9:45 am)
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Replying to: obyone (May 26, 2008 3:25 am)

That's awesome!!! Thank you!!!!
My only question, is why the heck don't they just install it in all trucks if that's all it is??????
#216 of 354
Re: New Body Style Sierra computer upgrade/mod [robskot] by obyone
May 26, 2008 (10:14 am)
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Replying to: robskot (May 26, 2008 9:45 am)

It's them bean counters at work. They want you to buy the top of the line model to get all the bells and whistles. You can imagine a $100 part times 600,000 trucks.
#217 of 354
Re: New Body Style Sierra computer upgrade/mod [robskot] by robskot
May 26, 2008 (2:24 pm)
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Replying to: robskot (May 25, 2008 10:09 pm)

Also, do you know of...or does anyone on here know of anybody that has done this successfully on a Canadian Sierra? I am guessing it's the same, but would really like to know for sure before ordering the part.
 
I pulled open my dash today, and sure enough, the harness is there, so I am guessing I would be good to go...
 
What a great forum!
#219 of 354
2000 seirra 4wd "serivce 4wd" by rattaway11
Jun 01, 2008 (8:49 am)
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i have a 2000 seirra 4wd and the problem i have is the 4wd hi and lo will not engage, i have the push button 4wd and the lights come on and go off and the service 4wd message comes on.this morning i pushed the auto 4wd and it engaed and push 2wd and it went back to 2wd but when i tried to go into 4wd hi and low it would not engage. any ideas on how to fix the problem?
#220 of 354
2002 2500HD 8.1 ECM fuse blowing by solocam
Jun 05, 2008 (7:08 pm)
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Does anybody have any ideas why the 20amp ECM fuses keeps blowing? I put a 25 amp fuse in to get home, it did not blow but driving along it would fall on its face as I push on gas then buck and take off. Any advice would be helpful.
#221 of 354
2004 GMC Sierra 2500 Alarm Problems by sdlerner
May 30, 2008 (5:55 pm)
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I have a 2004 2500 Sierra with a factory alarm. I live in the San DIego Area. The alarm has been going off about every other night between 12:30am and 2:30 am. I watched several nights just to see if someone was tampering with the truck but nothing like that. It's parked in the driveway and just goes off.
Anyone have any similar experiences with alarms going off for no apparant reason? It's not too cold out, the batteries are fully charged, and there's no unusual weather or earthquakes going on? Driving me crazy. Don't want to disable the alarm and be vulnerable to fuel thieves! Anyone got any ideas?
#222 of 354
Re: power windows inoperative [jaselvis] by mgandrew
Jun 16, 2008 (5:30 am)
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Replying to: jaselvis (Apr 26, 2007 6:34 pm)

My 2004 1500 Sierra lost it's right side window and electric seat the same day last week. The manual indicates that it is a "circuit breaker" located "under the dash to the left of the steering column". I can not find it. I do not know if the circuit breaker is resetable, one would think it is. There is a box under there but because the seat won't move back it is difficult to see what is there. It is certainly not readily accessible.
 
Also the 15 amp fuse on the airbag circuit blows. This circuit has the following list of controlled functions. I used to be able to replace it and the circuit would work for several weeks or even longer. Now it lasts several minutes and does not seem to blow for any reason.
 
1. the compass and thermometer in the rear view mirror.
2. the auto dimming function.
3. All chimes.
4. Airbags.
#223 of 354
Re: 2004 GMC Sierra 2500 Alarm Problems [sdlerner] by mgandrew
Jun 16, 2008 (5:56 am)
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Replying to: sdlerner (May 30, 2008 5:55 pm)

You Need an Exorcist.
#224 of 354
Battery Overcharging by hauler007
Jun 17, 2008 (6:03 am)
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HI I have an 06 GMC Sierra1500 5.3 and am having problems with it overcharging i replaced the altenator and it still does it also the message appears in the info center to check oil level and now it is also starting to say check windshield washer level have talked to dealer about this but still waiting for reply any help would be very welcome
thanks

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