Transmission Range (Tr) Sensor/Switch

1. Disconnect negative battery cable. Remove air cleaner assembly. Place shift selector in "N" position. Disconnect shift cable and manual control lever from transmission range switch. Disconnect harness connector from TR switch. Loosen 2 TR switch retaining bolts.
2. Connect ohmmeter between terminal "A" and terminal "H". See Fig 1. Adjust transmission range switch so that no continuity exists between terminals. Tighten 2 TR sensor retaining bolt. Install manual control lever, shift cable and air cleaner assembly. Connect negative battery cable.
3. Check PARK engagement. Start engine and ensure transmission shifts through all gears. If not, check shift cable adjustment. See SHIFT CABLE/LINKAGE . Verify vehicle only starts in "P" and "N" positions and backup lights work.

Fig 1: Adjusting Transmission Range Switch

Courtesy of FORD MOTOR CO.