TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
15. Left Position Light and/
4. Use a digital multimeter, test for
Voltage Between 18 and 26 Volts -
or Tail Light Does Not
voltage between circuit breaker
Proceed to Test Step 10.
Operate - Continued
box wiring connector R-C5 (WP
Voltage Less Than 18 Volts -
0009, Figure 22) terminal 8 and
Replace LH position circuit breaker
machine ground. Voltage should
wiring harness (WP 0239).
be 18 to 26 volts.
Connect the rear chassis wiring har-
ness connector FA-C41 (WP 0009,
Figure 21) to circuit breaker box wiring
connector R-C5 (WP 0009, Figure 22)
(WP 0234).
Connect AG-C10 (WP 0009, Figure
399) to left tail light (WP 0177).
Connect AG-C3 (WP 0009, Figure
334) to left tail light (WP 0177).
Connect AZ-C5 (WP 0009, Figure
391) to left headlight (WP 0197).
Proceed to step 5.
5. Turn control indicator switch to
Left Position Light and/or Tail Light
position SER. DRIVE and Park
Do Not Operate - Repeat trouble-
(TM 5-3805-293-10). Visually
shooting from the beginning.
check if left tail light and left posi-
Left Position Light and/or Tail Light
tion light operate.
Operate - Troubleshooting complete.
Test Step 10. Check for Open Cab
Lower Wiring Harness or Rear
Chassis Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to the OFF
position (TM 5-3805-293-10).
2. Disconnect the rear chassis wir-
ing harness connector FA-C35
(WP 0009, Figure 15) from cab
lower wiring harness connector P-
C70 (WP 0009, Figure 16) (WP
0266).
3. Connect jumper wire between LH
position relay socket (WP 0009,
Figure 337) terminal E8 and E7.
0023-98
