GM Firebird 1982-1992 Repair Guide
Back-up Light Switch
REMOVAL & INSTALLATION
Disconnect the negative battery terminal from the battery.
At the left-rear of the transmission, the back-up light switch is threaded into the transmission case. The speed sensor is held in with a separate bracket. Disconnect the electrical connector from the back-up light switch.
Remove the back-up light switch from the transmission.
To install, reverse the removal procedures. Coat the threads with Teflon® tape. Please refer to the torque chart for specifications. Place the gear shift lever in the reverse position and check that the back-up lights work.