Dash lights into after transmission replacement

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03-04-2018, 05:27 PM

charles.isbell85

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Dash lights not working after transmission replacement

so here’s what I have. I a 93 auto that needed a transmission. Swapped the tranny out and now my
ecu power light doesn’t come on and my 4x4 light doesn’t come on. They worked prior to the transmission going bad. I looked st all the wires everything is plugged in. When I shift into low range it works just those two lights aren’t working after the swap. Any ideas?

Last edited by charles.isbell85; 03-05-2018 at 07:36 PM. Reason: Damn autocorrect

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03-05-2018, 07:37 PM

charles.isbell85

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No one?!?!? Really !?!?!?

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03-05-2018, 08:24 PM

RAD4Runner

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Quote:

Originally Posted by charles.isbell85

... They worked prior to the transmission going bad. I looked st all the wires everything is plugged in.

Pls see my signature. See what applies to your issue.

Last edited by RAD4Runner; 03-05-2018 at 08:28 PM.

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03-05-2018, 08:36 PM

akwheeler

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how about telling the whole story? what motor, did you put in a used tranny or new? did you do the work? do you have a multi meter and a wiring diagram? test the electronics on the old tranny and compare to the new one? did you pinch any wires in the bell housing or t-case mating surfaces?

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03-05-2018, 10:50 PM

Co_94_PU

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From what I recall of this era wiring diagram, the shift pattern selection switch operates independent of the ECU and transmission. Likely a loose wire under the console or dash..