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. Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
or Tail Light Does Not
resistance between cab lower wir-
Replace rear chassis wiring harness
Operate - Continued
ing harness connector P-C70
(WP 0188).
(WP 0009, Figure 16) terminal 8
Remove jumper wire between LH
and machine ground. Resistance
position relay socket (WP 0009, Fig-
should be less than 5.0 ohms.
ure 337) terminal E8 and E7.
Connect the LH position relay (WP
0009, Figure 336) to LH position relay
socket (WP 0009, Figure 337).
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.
Resistance 5.0 Ohms or Greater -
Replace cab upper wiring harness
(WP 0265).
Remove jumper wire between LH
position relay socket (WP 0009, Fig-
ure 337) terminal E8 and E7.
Connect the LH position relay (WP
0009, Figure 336) to LH position relay
socket (WP 0009, Figure 337).
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.
0023-99