TM 5-3805-296-23-2
0137
Table 1. No Power From 12 Volt Power Converter or 12 Volt Auxiliary Port Continued.
0137
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 10. Test for Shorted Main
No Power From 12 Volt
Cab Wiring Harness.
Power Converter or 12 Volt
1. Disconnect connector W-C2
Auxiliary Port Continued
(WP 0012, Figure 224) from
connector H-C7
(WP 0012, Figure 225).
2. Disconnect connector W-C22
(WP 0012, Figure 271) from
connector CA-C1
(WP 0012, Figure 272).
3. Remove upper and lower plenum
from ROPS (WP 0504).
4. Disconnect connector W-C7
(WP 0012, Figure 252) from
connector P-C1
(WP 0012, Figure 253).
5. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C8
Replace fuse(s) with no continuity/
terminal 4 (WP 0012, Figure 282)
install fuse with continuity on circuit
and all other terminals in
breaker panel (TM 5-3805-296-10).
connector W-C8
Proceed to Test Step 16.
(WP 0012, Figure 282).
No Continuity Proceed to step 6.
6. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C8
Replace fuse(s) with no continuity/
terminal 4
install fuse with continuity on circuit
(WP 0012, Figure 282) and
breaker panel (TM 5-3805-296-10).
ground.
Proceed to Test Step 16.
No Continuity Proceed to step 7.
7. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C7
Replace fuse(s) with no continuity/
terminal 7 (WP 0012, Figure 252)
install fuse with continuity on circuit
and all other terminals in
breaker panel (TM 5-3805-296-10).
connector W-C7
Proceed to Test Step 16.
(WP 0012, Figure 252).
No Continuity Proceed to step 8.
8. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C22
Replace fuse(s) with no continuity/
terminal 10 (WP 0012, Figure 271)
install fuse with continuity on circuit
and all other terminals in
breaker panel (TM 5-3805-296-10).
connector W-C22 except
Proceed to Test Step 16.
terminal 8 (WP 0012, Figure 271).
No Continuity Proceed to step 9.
0137-9
