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TRICKY SPEEDOMETER PROBLEM CAUSING BLOOD IN STOOL

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Old 01-13-2008, 07:27 PM
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Car: 79, 85, 87,91 TRANS AM'S
Engine: 455,305TPI,350TPI,350TPI
Transmission: MUNCIE, T-5, 700R4'S
Axle/Gears: YEP
TRICKY SPEEDOMETER PROBLEM CAUSING BLOOD IN STOOL

IVE DONE EVERYTHING TO GET THIS SPEEDOMETER TO WORK EVEN JUST SWITCH ONCE FOR ME BUT I GET NOTHING. IVE CHANGED THE VSS, 4 WAY BUFFER BOX, GAUGES (3 TIMES). SOMEONE TOLD ME IT MIGHT HAVE SOMETHING TO DO WITH THE CRUISE CONTROL THAT I REMOVED. ANYONES THOUGHTS ARE VERY APPRECIATED. IM TRYING TO SELL THIS CAR AND CANT CAUSE OF THIS PROBLEM. I ALSO HAVE CARBED THIS CAR AND REMOVED THE COMPUTER.
Old 01-14-2008, 05:13 AM
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Car: 1991 Z28 1LE
Engine: LS1
Transmission: T56
Axle/Gears: 3.42
Re: TRICKY SPEEDOMETER PROBLEM CAUSING BLOOD IN STOOL

What kind of trans is it and what year? is it a cable speedo or an electric?

There is a VSS signal that goes to the cruise control but it wouldn't effect the speedo by removing it.
Old 01-14-2008, 07:48 AM
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Car: 1987 Iroc Z 1990 RS 1991 RS
Engine: 454 soon 496
Transmission: Soon T56
Axle/Gears: 308 Posi
Re: TRICKY SPEEDOMETER PROBLEM CAUSING BLOOD IN STOOL

it might be the speedo gear if mechanical that is stripped and if its electronic might be worn out to read.
Old 01-14-2008, 07:47 PM
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Car: 79, 85, 87,91 TRANS AM'S
Engine: 455,305TPI,350TPI,350TPI
Transmission: MUNCIE, T-5, 700R4'S
Axle/Gears: YEP
Re: TRICKY SPEEDOMETER PROBLEM CAUSING BLOOD IN STOOL

okay its an electrica speedometer manual trans (t-5)
Old 01-15-2008, 01:17 PM
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Car: 1991 Z28 1LE
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Transmission: T56
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Re: TRICKY SPEEDOMETER PROBLEM CAUSING BLOOD IN STOOL

is it the stock gauges? Did you change anything before it stopped working? Are the grounds good?
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