VSS for Electric Speedo

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Mar 10, 2009 | 02:26 PM

1987earthquake

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From: Hattiesburg, MS

VSS for Electric Speedo

I have been searching for months trying to figure out how to connect my speedo. I have a Marshall Instruments Electric Speedo. If I connect it directly to the vss from the trans the trans will not shift out of first gear. If I use the VSS out from the pcm The speedo doesn't read past like 5 mph while driving. I have really been scratching my head with this. Any one out there please chime in.

Thanks,
Eric B.

Mar 10, 2009 | 06:14 PM

jomomma

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From: surry, va

when i hooked mine up from the pcm it would`nt read past 5mph either. after i got around to reading the directions i found out i needed to program it. now it works fine.

Mar 10, 2009 | 06:27 PM

1987earthquake

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From: Hattiesburg, MS

Quote:

Originally Posted by jomomma

when i hooked mine up from the pcm it would`nt read past 5mph either. after i got around to reading the directions i found out i needed to program it. now it works fine.

That makes me feel better. I'll calibrate it and see what happens. I hadn't done that yet, just figured something was wrong since it wouldn't read anything past 5mph. Thanks

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