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Where Is the Neutral Start Sensor in a 1999 Ford F 150

Ford uses a neutral start sensor -- also called the transmission range sensor or transmission position sensor -- on the 1999 F-150 trucks equipped with automatic transmissions. The TR sensor, located on the driver side of the transmission around the manual control lever shaft, controls the function of the reverse lights and interrupts the starter circuit between the ignition switch and the starter relay unless the transmission is in Park or Neutral. You will need to align the sensor after installation to ensure proper operation.

Instructions

1

Park the truck on level ground. Set the parking brake and chock the rear wheels. Place the transmission in the Neutral position. Raise the front of the truck with a jack and support it using jack stands.

2

Locate the sensor on the driver side of the transmission behind the shift control cable and the manual control lever shaft. Lift the locking tab on the electrical connector and unplug the connector from the sensor.

3

Remove the shift control cable retainer from the control lever. Slide the control cable off the pin on the control lever.

4

Hold the shift control lever in position and remove the control lever shaft nut using a ratchet and socket. Remove the shift lever from the lever shaft and discard the old nut.

5

Remove the sensor retaining bolts using a ratchet and socket. Remove the old sensor.

6

Install the new sensor and start the sensor retaining bolts. Do not tighten the retaining bolts at this time.

7

Position the sensor alignment tool above the control lever shaft with the single prong up and the double prongs down. Insert the double prongs into the two detents in the sensor collar around the control lever shaft. Rotate the collar using the alignment tool until the upper single prong fits into the detent at roughly the 10 oclock position on the upper edge of the sensor case. Remove the alignment tool.

8

Tighten the sensor retaining bolts to 62 to 89 inch-pounds using an inch-pound torque wrench and socket.

9

Install the manual control lever shaft and a new control lever shaft nut (included with new sensor). Hold the control lever in position and tighten the nut to 22 to 26 foot-pounds using a foot-pound torque wrench.

10

Place the shift lever in the passenger cab in the Overdrive position. Install the shift lever control cable and retainer on the shift lever.

11

Snap the sensor electrical connector on the sensor terminal.

12

Lower the truck to the ground and place the shift lever in the Park position. Remove the wheel chocks and check for proper reverse light operation before driving the truck.