The connector you are looking for is either on the passenger side right
between the black heater box and dash (lower, under the glove box),
or the other location depending on the year, is on the passenger side
of the firewall, sometimes located under a black plastic cover. The
connector wire is brown with a black tracer I believe.
On a 1994 full size, it is located right under the glove box. It is a
single wire, brown with a black tracer, and a single black connector.
You may have to remove it from the wire loom. Start the truck,
disconnect this plug, time the truck to zero degrees. (personally, I
time it to 1-2 degrees), then plug the connector back in. Done.
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