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Thread: my speed-do! :(
04-18-2009, 09:12 PM #1
my speed-do! :(
about once a month for about 3-5 days my speedometer dosn't work. i may look down and see it at 100+mph... i have a kid car sit that is filled most of my driving time so i know it is not a "come back" from my younger-self. most of the time i am doing the "flow" traffic when i notice it happening.
the last time i noticed it was rite after i did do 90mph to get to work when the OKC wildfires happened. (last week) i was going to work to get a 6000gallon tanker to support the local fire departments for the fire fight. when i came to the first red light off the freeway the speedometer was reading 60mph still. i was told it was my speed senser, and another person told me it was my insterment panel. now auto zone has the speed senser for $70.00 in stock but don't want to change some thing if it is not the problem.
if you have any ideas let me know.
auto zone also said it may be just the connection between the wireing and the speed senser, so i cleaned it out last with electrical type cleaner from auto zone.
any info is great.-arick
04-19-2009, 10:44 AM #2Jim
2004 SILVERADO 2500HD LS
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1967 Landcruiser <350 Chevy>
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2007 FJ Cruiser
08-02-2009, 03:30 AM #3
well, i have no codes onthe truck and i have changed the speed senser. what sould i do nets, take apart the dash and replace the instrument panel? how much fo you think that would be? ...man i am loving my powerstorke...lol
08-02-2009, 07:45 PM #4
08-03-2009, 09:46 AM #5
08-03-2009, 11:34 AM #6
08-03-2009, 11:54 AM #7
08-03-2009, 12:46 PM #8
- Join Date
- Feb 2007
- Blog Entries
Starting in the early 90s, GM stopped using speedometer cables, and started using the VSS sensors which drive a stepper motor in your instrument panel showing you what your current speed is. On the "newer" trucks it seems like a very common issue where the stepper motors go out. My grandfather's dually has no working speedometer because of a bad stepper motor.Christopher
1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 199K miles
2005 Saturn ION-2 Stock 255K miles
1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half
There are 10 kinds of people, those who understand binary, and those who dont...
Remember kids, the only difference between screwing around and science is writing it down- Adam Savage
08-03-2009, 06:23 PM #9
what year? their is a recall on some of the clusters due to bad motors in the cluster, my friends truck was reading 60, on cruse, then he looked down a couple of minuets and it said 120, took it to the dealer, got it replaced for free
08-04-2009, 06:12 AM #10
My speedo/odo cable broke a loooooong time ago. Have no idea even how to begin replacing it and I ain't in a quick hurry to do it. I am sure on my 1985 that it is just a single cable from the tranny to the guage, but I have not looked yet.
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