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VSS is not working after rebuilt T-56

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Old 02-27-2009, 11:27 AM
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Default VSS is not working after rebuilt T-56

I disconnected all the electrical plugs, removed trans.

Had trans rebuilt.

Connected all the wires. Now NO vss. No, reverse lockout an dthe car dies whenever I slow down from crusing.

I changed the VSS. No joy.

Checked to see if the reluctor ring was there. It was.

Replaced both wires all the way to the ECM/PCM. No joy.

The transmission guy who rebuilt the trans swears it cannot be mechanical, and say that the ring was on fine and its not his problem.

So I am out of ideas.

All I can think of now, is checking the 5v DC reference voltage. if that is good, then I would guess the PCM is bad? I mean it was working fine before I removed the trans.


beats me.
Old 02-27-2009, 12:48 PM
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if it was working when you took it out and now it isnt and the only thing that happend was a rebuild. sounds like the tranny to me. have him redo it
Old 02-27-2009, 01:56 PM
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Try swapping the plugs between the lockout and VSS
Old 02-28-2009, 08:29 AM
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Originally Posted by 85MikeTPI
Try swapping the plugs between the lockout and VSS
The lock out doesn't even have the same plug. The lock out and skip shift have the same. Reverse lights and VSS are different as well.

Plus I ran two NEW wires all the way from VSS to the ECM pins.

The VSS is getting it's 5VDC voltage. So the only thing I can think of is the transmission.



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