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Posted

Both 2.5L & 4.0L show B/U switch located on the transmission. 2 pin connector. Add your vehicle stats to your signature.

Posted

2 pin connector is for a manual trans. NSS (gear selector switch) is for the automatic, located on the transmission. 

Posted

I think I found the problem.  Looks like there is a short and break in the wire to the backup lights in the harness that runs from the fuse box are to the back of the cab.

On a related note, why don't I have a  TCU fuse circuit in my 86, even though there is one marked on my fuse panel?

Posted

Because you had a non electronic auto, only the AW4 used the TCU. The A904's were "dumb" as it were.

Sent from my SM-G930W8 using Tapatalk

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