Model 8210/8250 Maintenance Manual Section 7. Component Procedures
Electrical Components Traction Motor
Publication: 1146945/001, Revised: 25 Sep 2018 7-89
12. Install the lower and grille covers.
13. Reconnect the battery connector, and the
place the Main ON/OFF Switch in the ON
position. If equipped with the optional
keypad, enter your PIN-key code and then
press the green ON ( | ) key.
14. Test the operation of the truck.
Speed Sensor (Encoder) Replacement
1. If equipped with the optional keypad,
press the red OFF ( O ) key. Place the Main
ON/OFF Switch in the OFF position.
Disconnect the battery connector from the
truck.
2. Remove the lower and grille covers.
3. Remove the bumper.
4. Disconnect the connector from main
harness to the speed sensor and the
temperature sensor.
5. Remove the connector [38] from the
bracket [35] on the drive unit.
6. De-pin the connections for the speed
sensor cable.
7. Remove the screw [22] securing the speed
sensor [24] to the speed sensor cover [21].
8. Remove the speed sensor and carefully
pull the speed sensor cable through the
grommet.
9. Install the socket head cap screw [22] to
secure the replacement speed sensor [24]
to the speed sensor cover assembly [21].
Torque the screws to 39.8 in. lb. (4.5 Nm).
10. Route the cable of the replacement speed
sensor through the grommet.
11. Re-pin the connector. Refer to
Figure 7-103 for pin locations and wire
colors.
Figure 7-103. Speed and Temperature Sensor Connector
Pin and Wire Identification
12. Install the connector [38] on the bracket
[35] on the drive unit.
N
OTE: Make sure the speed sensor cable is
correctly seated in the grommet to
prevent damage from contact with the
linkage when the drive unit turns.
13. Reconnect the main harness to the speed
sensor.
14. Install the bumper.
15. Install the lower and grille covers.
16. Reconnect the battery connector, and the
place the Main ON/OFF Switch in the ON
position. If equipped with the optional
keypad, enter your PIN-key code and then
press the green ON ( | ) key.
17. Test the operation of the truck.
Pin Wire Color Component
1 Red Speed Sensor
2 Blue
3 White
4 Black
5 Red Temperature Sensor
6 Blue
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