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
2. Disconnect connector W-C8
No Power From 12 Volt
(WP 0012, Figure 282) from
Power Converter or 12 Volt
connector CG-C1
Auxiliary Port Continued
(WP 0012, Figure 283).
3. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 6.
between connector CG-C1
Resistance Greater Than 5.0 Ohms
terminal 4 (WP 0012, Figure 283)
Replace fuse panel wiring harness
and connector CG-C8 terminal 5
(WP 0515).
(WP 0012, Figure 284).
Proceed to Test Step 16.
Test Step 6. Test Main Cab Wiring
Harness for High Resistance or
Open.
1. Remove upper and lower plenum
from ROPS (WP 0504).
2. Disconnect connector W-C7
(WP 0012, Figure 252) from
connector P-C1
(WP 0012, Figure 253).
3. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 7.
between connector W-C7 terminal
Resistance Greater Than 5.0 Ohms
7 (WP 0012, Figure 252) and
Replace main cab wiring harness
connector W-C8 terminal 4
(WP 0505).
(WP 0012, Figure 282).
Proceed to Test Step 16.
Test Step 7. Test Dash Wiring
Harness for High Resistance or
Open.
Using digital multimeter (WP 0540),
Resistance 5.0 Ohms or Less
measure resistance between connector
Replace 5A voltage converter
P-C1 terminal 7 (WP 0012, Figure 253)
(WP 0509).
and connector P-C10 terminal 1
Proceed to Test Step 16.
(WP 0012, Figure 258).
Resistance Greater Than 5.0 Ohms
Replace dash wiring harness
(WP 0510).
Proceed to Test Step 16.
Test Step 8. Test Replacement
Fuse(s).
1. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
2. Set heater and air conditioning
switch to heat position and operate
temperature select switch
(TM 5-3805-296-10).
3. Turn battery disconnect switch to
OFF position (TM 5-3805-296-10).
0137-7
