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Chevy Silverado and GMC Sierra Electrical and Computer Questions

357 messages,  Last post on Nov 30, 2009 at 4:21 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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#305 of 357
04 Silverado gauge cluster/radio by attindall
May 05, 2009 (7:55 pm)
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My Chevy has about 65000 miles and back in October my speedo went out. Dead. A month later the oil pressure gauge went, followed by the tach and today went the gas gauge. Sometime in November the radio started to cut out randomly. Usually when it cuts out the right green light on my rearview mirror turns red (the vertical one next to the Onstar buttons). When it cuts out the little red blinking security light comes on. If i turn the truck off and then turn the key to run it will come back on for a second and cut off again. Also randomly the lights in the power locks and windows go out, and they stop working. I only notice it at night when the lights are visible. Now that the gas gauge has gone out, if it wasnt for the Distance to Empty button on my steering wheel I'd be screwed. Anybody have ideas?
#306 of 357
Re: Erratic voltage display [barnowl3] by canayjun64
May 06, 2009 (5:04 am)
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Replying to: barnowl3 (May 01, 2009 5:33 pm)

Thanks barnowl3... Humm I guess I'll have to see if a bulletin comes out indicating a contradiction to what they said. So far nothing out there for the 2009 models.
 
Like you said, it helps to provide the info.
 
Cheers!
#307 of 357
Message Display Issue by rogerpwillis
May 10, 2009 (12:50 pm)
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#308 of 357
Message Display Issue by rogerpwillis
May 10, 2009 (12:55 pm)
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I have a 2003 Chevy 1500 with 148,300 miles (owned since new)....Has been a Great truck.....recently the message display will go from english to french to spanish...it will get stuck on hours used or trip...sometimes the trip will reset itself...it will let me set it on english and it will stay sometimes... Anybody got a clue???????????? Thanks Roger
#309 of 357
Re: 04 Silverado gauge cluster/radio [attindall] by barnowl3
May 11, 2009 (2:57 am)
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Replying to: attindall (May 05, 2009 7:55 pm)

Sounds like you need to have the gauge cluster replaced. The erratic gauges and speedo issues are part of the bulletin and lawsuit. If you get there before 70,000 miles they'll cover it. Between 70 and 80,000 miles, you only get the parts for free and may need to send the info in to get the credit. The lawsuit covers you from 70,000 to 80,000 miles.
 
I have also had the radio cut out normally on my '03. The first time the dealer put in some kind of software update. It has happened 1 or 2x since then and just seems to correct itself.
 
The other problems may be related to your gauge cluster, get that fixed first and before it is not covered.
#310 of 357
1993 Chevy Cheyenne by kb52
May 11, 2009 (6:10 am)
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The a/c, heater electronic display flashes on and off and I have no control of the temperature. The display unit has been replaced once, with the same symptoms. The condensor coil was replaced and the system re-charged when the problem started. I understand the display had to be removed in order to have access underneath the dash. Any ideas on to how to repair this would be greatly appreciated by both me and my mechanic!!
Thanks, Kenneth
#312 of 357
Re: 1993 Chevy Cheyenne [kb52] by canayjun64
May 11, 2009 (7:08 am)
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Replying to: kb52 (May 11, 2009 6:10 am)

kb52...I had a similar issue with my 94 Concorde. It turned out to be a cold solder on the display control. By banging the display slightly, I was able to re-gain control of the temperature temporarily. It was a bit tricky to find but with the help of a magnifying glass, I was able to locate the problem and fix it.
 
Who knows...it might be just that. Good luck!
#313 of 357
chevy silverado 2500 1989 by johnny_t
Jun 03, 2009 (4:25 pm)
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I have a old but well kept silverado from -89 it is a 6.2 diesel, and everything is working just smoothly. the "service car soon" lamp is lit, and i would like to know what the warning lamps indicates. therefore i am looking for a owners manual on the internet, but seem to find only for newer models. anybody know where to find this? i actually bought the heyes manual, but cannot locate it there,
Regards
J
#314 of 357
Re: chevy silverado 2500 1989 [johnny_t] by canayjun64
Jun 04, 2009 (3:17 am)
Reply

Replying to: johnny_t (Jun 03, 2009 4:25 pm)

johnny_t.... did you tray a Haynes manual? Thet are quite good. Try this link.
 
http://www.haynes.com/products/year/1989/make/Chevrolet/model/Pick-Up/productID/- - 246
 
I've been using them fo all of my vehicle I owned and they are very helpful.

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