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

Speedometer/vss.

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Old Nov 5, 2010 | 01:15 PM
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jdway93z28's Avatar
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Default Speedometer/vss.

My speedo doesn't work. It has a new connector. I checked the wiring. And it's not throwing a code. My speedo goes up to 10 then falls back down when going 10mph down my gravel road. Any help?????
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Old Nov 5, 2010 | 01:44 PM
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Is this a 93 4L60 car? I can't offer much help, but when I bought my 93 the guy I bought if from had a 700r4 in it with a cable VSS and didn't have it hooked up so the speedo guage didn't work at all. My SES light only came on every once in a while and usually only when I had been driving it for at least 15-20 minutes. I'm just saying the SES light may not come on when you have vss problems.

You need to provide more info about the car and you may get more responses.
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Old Nov 5, 2010 | 04:03 PM
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It's a 93 700r4.
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Old Nov 5, 2010 | 09:38 PM
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So the speedo won't go above 10mph? I don't really understand but I'll bump you back up to the top and hopefully someone else will chime in.

700r4 didn't come in the 93 f-body, it was a 4L60. Basically the same but not exactly. then 4L60E was introduced in 1994. So you're saying you took a 700r4 and put in your car?

What happens when you go 30mph or 60mph, etc? speedo sits on 0?
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Old Nov 6, 2010 | 12:20 AM
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The guy I bought the car from swapped in a 700r4 so he says. Yes it sits at Zero. Ima go play with it a little tomorrow and let you guys know.
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Old Nov 6, 2010 | 01:30 PM
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Yes it sits at zero at 30 and 60. Is the vss plug the only thing that controls the speedo.
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