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Crazy speedo!!

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Crazy speedo!!

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Old

Oct 13, 2009 | 04:54 PM

#1

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Launching!

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From: New Orleans,LA

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Crazy speedo!!

Just recently my speedo started going up and down when i let off the brake, most of the time it will go all the way to 150 then fluctuate back down to whatever speed im going. The car was never tuned after my gears so it is off my 15 mph if that has anything to do with it. I really want to get this taken care of quickly because im selling my car and dont want it still doing this while someone is test driving the car so any help is appreciated

Old

Oct 13, 2009 | 04:56 PM

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is your car shutting off when the speedo flutters?

Old

Oct 13, 2009 | 04:58 PM

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vss is probably messed up

Old

Oct 13, 2009 | 05:06 PM

#4

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Quote:

Originally Posted by sepno77

is your car shutting off when the speedo flutters?

nope.

Old

Oct 13, 2009 | 05:07 PM

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Quote:

Originally Posted by myltwon

vss is probably messed up

what is vss

Old

Oct 13, 2009 | 05:22 PM

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When gauges loose power supply or are disconnected the go to the top, Im not sure of all the plugs on the speedo but i would check them

Old

Oct 13, 2009 | 05:30 PM

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well now that i think of it my battery was pretty low the other day then it went back up, maybe ill try disconnecting it and see if that works

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Old

Oct 13, 2009 | 05:51 PM

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vehicle speed sensor, located on the tailshaft of the transmission

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