TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
22. One Or Both Rear Flood
10. Using digital multimeter, test for
Resistance More Than 5.0 Ohms -
Lamps Do Not Operate,
continuity between harness con-
Replace rear chassis wiring harness
Both Front and Middle
nector FA-C29 (WP 0009, Figure
(WP 0188).
Flood Lamps Operate
310) terminal 1 and terminal 9.
Connect rear lamps harness connec-
Normally - Continued
Resistance should be 5.0 ohms or
tor AG-C2 (WP 0009, Figure 312) to
less.
left rear flood lamp (WP 0207).
Connect rear lamps harness connec-
tor AG-C12 (WP 0009, Figure 312) to
right rear flood lamp (WP 0207).
Proceed to step 17.
Resistance 5.0 Ohms Or Less - Pro-
ceed to step 11.
11. Remove jumper wire from har-
ness connector FA-C22 (WP
0009, Figure 47) terminal 29 and
terminal 69.
12. Using digital multimeter, test for
Resistance 5.0 Ohms Or Less - Pro-
continuity between harness con-
ceed to step 13.
nector P-C69 (WP 0009, Figure
Resistance More Than 5.0 Ohms -
46) terminal 29 and machine
Verify cab ground (WP 0009, Figure
ground.
65) is clean and tight. If cab ground is
Resistance should be less than
Ok, replace cab lower wiring harness
5.0 ohms.
(WP 0266).
Proceed to step 17.
13. Remove fuse F2 (TM 5-3805-293-
10) from fuse panel.
14. Remove rear flood relay (WP
0009, Figure 306) from fuse
panel.
15. Install a jumper wire between
relay socket C3 and E3 (WP
0009, Figure 307).
0023-144
