REMOVAL & INSTALLATION
Before replacing a back-up light switch, be sure to check the condition of the bulbs first.
Since all back-up light switches are operated by the transmission shift lever, replacement procedures differ according to mounting location of the selector lever and type of transmission used.Column Mounted Automatic Transmission
- Disconnect the back-up light switch wires at the plug connector. On vehicles so equipped, disconnect the two parking brake release vacuum hoses.
- Remove the two screws, securing the back-up light switch to the steering column and lift the switch from the column.
- Check column to ensure that the metal switch actuator is secured to the shift tube and that it is seated as far forward against the shift tube bearing as possible. Also check for a broken or damaged actuator.
Before installing a new switch, check to see that the drive position gauge is inserted in the drive pinning hole. If the pin is missing, align the two holes on top of switch and install a No. 43 drill or a 0.092-0.093 in. (2.34-2.36mm) gauge pin.
- While holding the selector lever against the stop in the drive detent position, place the switch on the column and install the two attaching screws.
- Remove the gauge pin (or equivalent). Connect switch wires to plug connector and connect the two parking brake release vacuum hoses (if equipped).
- Raise and support the vehicle.
- Disconnect the electrical wiring at the back-up lamp switch.
- Remove the back-up lamp switch from the transmission extension housing.
- Install the switch to the extension housing, tighten to 20-35 ft. lbs. (27-47 Nm).
- Attach the electrical wiring to the switch assembly.
- Lower the vehicle.