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GMC question
http://www.coondawgs.com/forum/viewtopic.php?f=57&t=65441
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Author:  fatherof4 [ Tue Apr 29, 2008 12:49 pm ]
Post subject:  GMC question

Thaught I might try here first. I bought a 1990 4X4 GMC half ton truck. It is all stock and is in really good shape but the odometer doesn't work. The speed does just not the odometer. It quit working at 114,000 in January. Anybody seen this before? (Jamie)James Ramey.

Author:  coonhuntermatt [ Tue Apr 29, 2008 3:22 pm ]
Post subject: 

Well I had this to happen in my 95 ford that I use to have with an electronic odometer. . . . .and it was just a fuse!!!
If it isn't an electronic I'd check the cable where it goes into the transmission
and see if the end of it is stripped . . . . If not the cable may be broken or the other end might be stripped where it hooks into the odometer itself.

It's hard to diagnose the problem without being there. . . . .sorry!!!!

Author:  mnb&t [ Tue Apr 29, 2008 10:22 pm ]
Post subject: 

james, if the speedometer is working the speed sensor out of the tranny or t-case is working fine. from what you say, there is a small electronic motor on the back of the instrument cluster that is bad. maybe you can find a cluster from a salvage yard and replace the motor.

be careful as the plastic on there is very delicate and stuff can break very easy. i have seen many of these go bad. you could try a gm dealership, but i guarantee it will be a ton of money.

ask a salvage yard if they have a cluster with damaged or missing gauges to buy that little motor of off.

good luck.

Author:  David Boudra [ Tue Apr 29, 2008 11:59 pm ]
Post subject:  Odometer

I had an 89 chevy 4x4 that the same thing happened at 254'000! I drove it for 4 years longer and never worried about the miles on it! I was VERY mean to that ole truck and it was a GOOD one!!! I sold it last august and REGRET it every day!!!

Author:  mnb&t [ Wed Apr 30, 2008 12:13 am ]
Post subject: 

i also have and 89 chevy. i will post pics off that speedo when i get time. you wont believe it.

happy hunting.

Author:  TopDawgCoonhunter [ Wed Apr 30, 2008 6:08 pm ]
Post subject:  88 GMC 2500 (3/4ton)

I just bought a 1988 GMC 2500 pickup. it has the 350 small block and a automatic tranny. its only 2 wd but i still want to up the tire size because i cant find mud tires for the stock size 225/75-16 do yall think 31x10x50s would take away to much of my power.. im pretty familiar around cars and motors but not much into gears and such yet im still young. any help would be apperciated. the meatier the tire the more places i can coon hunt :D thanks

Author:  langford_hotrods [ Wed Apr 30, 2008 6:22 pm ]
Post subject:  Re: 88 GMC 2500 (3/4ton)

TopDawgCoonhunter wrote:
I just bought a 1988 GMC 2500 pickup. it has the 350 small block and a automatic tranny. its only 2 wd but i still want to up the tire size because i cant find mud tires for the stock size 225/75-16 do yall think 31x10x50s would take away to much of my power.. im pretty familiar around cars and motors but not much into gears and such yet im still young. any help would be apperciated. the meatier the tire the more places i can coon hunt :D thanks


you could go to a 245/75/16

Author:  bodey56 [ Thu May 01, 2008 12:07 pm ]
Post subject: 

well i am a mechanic at the area chevrolet dealership (used to be, got fired) and i have seen this and it is usually the muffler bearing or the kinniber valve.

Author:  1adam12 [ Thu May 01, 2008 12:07 pm ]
Post subject: 

i have a 95 gmc with 245/75/16 they make some good mud and snow tires in that size i have wild countrys one mine and it goes.
if the speedo works just drive it

Author:  bodey56 [ Thu May 01, 2008 12:08 pm ]
Post subject: 

ur gonna get stuck with a 2wd pickup so sell it but nice choice on the chevy

Author:  TopDawgCoonhunter [ Thu May 01, 2008 1:31 pm ]
Post subject:  stuck HA

HAHA you must not know me very wheel. I DONT get stuck..2wd and some tires im good to go.i guess im gunna run some 31.10.50s

Author:  mnb&t [ Thu May 01, 2008 11:04 pm ]
Post subject: 

james, any luck yet?

Author:  SHARPS CHAPEL COONHUNTER [ Fri May 02, 2008 8:35 pm ]
Post subject: 

YEAH