EXCEL SYSTEM TROUBLESHOOTING: WITH
POWERDRIVE CHARGER
Test Procedures
13
TEST PROCEDURE 13 – Pin 7
See General Warnings on page 1-2.
Pin 7 in the 16-pin connector provides a connection point for the reverse buzzer to the speed controller.
1.
Disconnect the batteries and discharge the controller.
See Disconnecting the Batteries – Electric Vehicles
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 rails just forward of each spring mount.
See WARNING “Lift only one end...” in
3.
Disconnect the 16-pin connector at the speed controller.
4.
Place a jumper wire with an alligator clip between the B– terminal of the speed controller (use alligator clip for this
connection) and pin 7 (orange/white wire) of the 16-pin connector
See following
CAUTION.
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 batteries.
See Connecting the Batteries –
Electric Vehicles on page 1-4.
6.
Place the Tow/Run switch in the RUN position.
7.
The reverse buzzer should sound when the Tow/Run switch is in the RUN position.
8.
If any other activity is observed, check the following items:
– Continuity of the wires in the wire harness
– Reverse buzzer for proper operation.
See Test Procedure 24 – Reverse Buzzer on page 13-36.
– Tow/Run switch for proper operation.
See Test Procedure 6 – Tow/Run Switch on page 13-19.
688
Figure 13-13
Pin 7 Test
2014 Precedent
®
Golf Car Maintenance and Service Manual
Page 13-27
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