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Old 03-30-2008
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Speedo is a bit.. off

Ever since I did the led mod.. my speedo has been off by +10mph... I tried to "fix" it this weekend, and I made it worse.. it's about +15mph off.

Does anyone know of a way to zero it out without taking it into a mechanic?

FWIW, I'm going to replace the VSS as well, since I'm hoping it's part of the cause of my ABS light being on 24/7.

TIA
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Old 04-01-2008
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Nobody?
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Old 04-01-2008
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Why's your ABS on? Have you tried replacing your speed sensor in the rear on the top of the diff?

If you want to get it as close as you can you'll have to pop off the plastic cover for the gauges, pop off the needle for the speedo, get a gps, got say 20 or 30 on a LONG straight road (helps to have a friend with you) and place the needle on the speed the gps says... That's what we did with my buddys truck we just did a few weeks back with the red lense repair tape and some red leds...

btw, lets see some pics of the dash!
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Old 04-04-2008
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Originally Posted by TrePaul86 View Post
Why's your ABS on? Have you tried replacing your speed sensor in the rear on the top of the diff?

If you want to get it as close as you can you'll have to pop off the plastic cover for the gauges, pop off the needle for the speedo, get a gps, got say 20 or 30 on a LONG straight road (helps to have a friend with you) and place the needle on the speed the gps says... That's what we did with my buddys truck we just did a few weeks back with the red lense repair tape and some red leds...

btw, lets see some pics of the dash!
Sadly, I have been trying to nail down the cause of the ABS light staying on... I had thought that since the brake light is on dimly that the turn signal would be the cause... no dice there. I do have the VSS in my possession and I'm gonna slap that in, hopefully it can help!

I think i'll have to try the gps/buddy system. I was curious if anyone knew of a factory way to null out the system.
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