TM 5-3805-298-23-1
0040
Table 1. Fuel Prime Pump Does Not Operate - Continued.
040
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Resistance 5.0 Ohms or Less -
3. Using digital multimeter
Fuel Prime Pump Does Not
Proceed to Test Step 5.
(WP 0174), measure resistance
Operate - Continued
between ignition switch (WP 0012,
Resistance Greater Than 5.0 Ohms-
Figure 37) terminal 2 and 4.
Replace ignition start switch (WP 0254).
Proceed to Test Step 7.
Test Step 5. Test Wiring Harness for
High Resistance or Open.
1. Connect jumper wire between
terminal A of connector M-C11
(WP 0012, Figure 110) and
ground.
2. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace rear frame wiring harness
between connector C-C61
(WP 0295).
(WP 0012, Figure 36) terminal 2
Proceed to Test Step 7.
and ground.
Resistance Greater Than 5.0 Ohms -
Proceed to Test Step 6.
Test Step 6. Test Rear Frame Wiring
Harness for High Resistance or
Open.
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector M-C1
(WP 0012, Figure 57) from
connector C-C20 (WP 0012,
Figure 56).
3. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector M-C1
(WP 0291).
(WP 0012, Figure 57) terminal 25
Proceed to Test Step 7.
and ground.
Resistance Greater Than 5.0 Ohms -
Replace rear frame wiring harness
(WP 0295).
Proceed to Test Step 7.
0040-5
