TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
14. Right Position Light and/ Test Step 10. Check for Open Cab
or Tail Light Does Not
Lower Wiring Harness or Rear
Operate - Continued
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 RH
position relay socket (WP 0009,
Figure 339) terminal E10 and E9.
4. Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
resistance between cab lower wir-
Replace rear chassis wiring harness
ing harness connector P-C70
(WP 0188).
(WP 0009, Figure 16) terminal 9
Remove jumper wire between RH
and machine ground. Resistance
position relay socket (WP 0009, Fig-
should be less than 5.0 ohms.
ure 339) terminal E10 and E9.
Connect the RH position relay (WP
0009, Figure 338) to RH position relay
socket (WP 0009, Figure 339).
Connect AZ-C6 (WP 0009, Figure
392) to right headlight (WP 0197).
Proceed to step 5.
Resistance 5.0 Ohms or Greater -
Replace cab upper wiring harness
(WP 0265).
Remove jumper wire between RH
position relay socket (WP 0009, Fig-
ure 339) terminal E10 and E9.
Connect the RH position relay (WP
0009, Figure 338) to RH position relay
socket (WP 0009, Figure 339).
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 0239).
Connect AZ-C6 (WP 0009, Figure
392) to right headlight (WP 0197).
Proceed to step 5.
0023-90
