Neutral Safety Switch: Service and Repair

NOTE: The neutral safety switch is part of the transmission range sensor.

1. Disconnect battery ground cable, then place manual control lever in NEUTRAL position.
2. Raise and support vehicle, then disconnect electrical harness from Transmission Range (TR) sensor.
3. Remove two TR sensor bolts, then sensor.
4. Ensure manual control lever is in NEUTRAL position.
5. Install TR sensor, then, loosely, sensor bolts.
6. Align TR sensor slots using transmission range sensor alignment (MLPS alignment) tool T92P-70010-AH, or equivalent.
7. Torque sensor bolts to 7-9 ft lb, then remove tool.
8. Connect electrical harness to TR sensor, then lower vehicle.
9. Connect battery ground cable, then check for proper operation with parking brake control engaged. Engine should start only in PARK or NEUTRAL.