Speedometer problems

3 messages, Last post on Oct 29, 2008 at 7:17 PM

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#1 of 3 Speedometer problems by bigchicken Dec 13, 2007 (4:15 pm)
Speedometer indicates 120 MPH while going 60mph. Once I stop the speedometer reads 55mph at a dead stop. Odometer is working as it should. I can reset the speedometer by turning the ignition key on and off until the speedometer rests 5 mph at a time. This happens too often. Do I need to replace the instrument cluster or another component? Thanks Replies to this message: danj8 (Jan 11, 2008 9:32 pm)
#2 of 3 Re: Speedometer problems [bigchicken] by danj8 Jan 11, 2008 (9:32 pm)
Replying to: bigchicken (Dec 13, 2007 4:15 pm) Yes l have the same problem. A friend told me how to fix this. There are two connections ontop of the transmission. You can reach them from under the car. lts tight but l pulled them off shot a little of wd40 then put vasoline on them. lt keeps water out . l was told that was senting a false reading. l did mine 2 weeks ago and my problem is gone. the plugs are right behind the drivers wheel l put mine on car ramps and reach up between the wheel steering rod. Good luck, l hope this helps. DAN J
#3 of 3 89 blaser speedometer by duranimal61 Oct 29, 2008 (7:17 pm)
i changed the dash bulbs in my blazer in doing so i had to unplug the speedo i have since plugged it back in but no reading i felt behind the back panel and felt the ribbon, is it suppose to be attached to the back panel or does it just run off the clip? Duranimal