|Wiring schematic for the 1989-1991 TPS's provided by Rob Weinstock.
">The only thing missing is the wiring for the latter model factory
>throttle position sensors.
For the non-turbo, the TPS is wired as follows:
B/G BR/W G/R
(full) (+5 Vdc) (narrow)
BR/W BR/B BR/B
(+5 Vdc) (GND) (GND)
Point of reference is looking into the wire harness side.