ELECTRICAL SYSTEM AND TESTING: ELECTRIC VEHICLE
Troubleshooting
2007-2008 XRT 800, 810 and 850 Maintenance and Service Manual
Page 21-23
21
Test Procedure 9E – Pins 8 and 16
See General Warning on page 1-1.
Pins 8 and 16 in the 16-pin connector provide a connection point for the Forward/Reverse rocker switch to the
speed controller. The switch provides a +48 volt signal to the speed controller through pin 8 when the For-
ward/Reverse switch is in the FORWARD position and provides a +48 volt signal on pin 16 when the Forward/
Reverse switch is in the REVERSE position.
1. Disconnect the battery cables as instructed.
See WARNING “To avoid unintentionally starting...” in
General Warning on page 1-1.
2. Place chocks at the front wheels and lift the rear of the vehicle with a chain hoist or floor jack. Position
jack stands under the frame crossmember between the spring mount and side stringer, just forward of
each rear wheel.
See WARNING “Lift only one end...” in General Warning on page 1-2.
3. Disconnect the 16-pin connector at the speed controller.
4. Set a multimeter to 200 volts DC, insert the red (+) probe of the multimeter into pin 8 (brown wire) of the
16-pin connector.
See following CAUTION.
Using an alligator clip, connect the black (–) probe to the B–
terminal of the speed controller
(Figure 21-9, Page 21-24)
.
CAUTION
• Do not fully insert probes into the 16-pin plug. Doing so can result in a poor connection.
5. Place the Tow/Run switch in the TOW position and connect the battery cables, positive (+) cable first.
Tighten battery terminals to 110 in-lb (12.4 N·m).
6. Place the Tow/Run switch in the RUN position and the Forward/Reverse switch in the NEUTRAL posi-
tion. The multimeter should indicate zero volts DC at this time.
7. While monitoring the multimeter, place the Forward/Reverse switch in the REVERSE position. The mul-
timeter should still indicate zero volts.
8. Place the Forward/Reverse switch in the FORWARD position. The multimeter should indicate full battery
voltage (approximately 48 volts).
9. Insert the red (+) probe of the multimeter into pin 16 (blue wire) of the 16-pin connector. Leave the black
(–) probe (alligator clip) connected to the B– terminal of the speed controller.
See previous CAUTION.
Figure 21-8 Pin 7 Test
SPEED CONTROLLER
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