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
9. Using digital multimeter
No Power From 12 Volt
Continuity Replace main cab wiring
(WP 0540), test for continuity
Power Converter or 12 Volt
harness (WP 0505).
between connector W-C2
Auxiliary Port Continued
Replace fuse(s) with no continuity/
terminal 23 (WP 0012, Figure 224)
install fuse with continuity on circuit
and all other terminals in
breaker panel (TM 5-3805-296-10).
connector W-C2
Proceed to Test Step 16.
(WP 0012, Figure 224).
No Continuity Proceed to Test
Step 11.
Test Step 11. Test for Shorted Dash
Wiring Harness.
1. Using digital multimeter
Continuity Proceed to step 2.
(WP 0540), test for continuity
No Continuity Proceed to step 4.
between connector P-C1
terminal 7 (WP 0012, Figure 253)
and all other terminals in
connector P-C1
(WP 0012, Figure 253).
2. Disconnect connector P-C10
(WP 0012, Figure 258) from 12 V
power port (WP 0012, Figure 259).
3. Using digital multimeter
Continuity Replace dash wiring
(WP 0540), test for continuity
harness (WP 0510).
between connector P-C1
Replace fuse(s) with no continuity/
terminal 7 (WP 0012, Figure 253)
install fuse with continuity on circuit
and all other terminals in
breaker panel (TM 5-3805-296-10).
connector P-C1
Proceed to Test Step 16.
(WP 0012, Figure 253).
No Continuity Replace 12 V power
port (WP 0508).
Replace fuse(s) with no continuity/
install fuse with continuity on circuit
breaker panel (TM 5-3805-296-10).
Proceed to Test Step 16.
4. Using digital multimeter
Continuity Replace dash wiring
(WP 0540), test for continuity
harness (WP 0510).
between connector P-C1
Replace fuse(s) with no continuity/
terminal 7 (WP 0012, Figure 253)
install fuse with continuity on circuit
and ground.
breaker panel (TM 5-3805-296-10).
Proceed to Test Step 16.
No Continuity Proceed to Test
Step 12.
0137-10
