TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. One or Both Headlights
Test Step 12. Check for Shorted
Do Not Operate in Low
Cab Upper Wiring Harness.
Beam - Continued
1. Remove jumper wire between
dimmer relay socket (WP 0009,
Figure 297) terminals C12 and
E11.
2. Using digital multimeter, measure
Continuity - Proceed to Test Step 13.
for continuity between cab upper
No Continuity - Proceed to Test Step
wiring harness connector R-C1
14.
(WP 0009, Figure 33) terminal 42
and terminal 16. There should be
no continuity.
Test Step 13. Check for Shorted
Control Switch Panel Wiring Har-
ness.
1. Disconnect the control switch
panel wiring harness connector A-
C1 (WP 0009, Figure 31) from
cab upper wiring harness connec-
tor R-C2 (WP 0009, Figure 32)
(WP 0275).
0023-44
