AUXILIARY PUMP WILL NOT PUMP FUEL-continued

TM 9-2320-279-20-l

Troubleshooting Malfunctions (Cont)

2-15. TROUBLESHOOTING INSTRUCTIONS (CONT).

Table 2-9. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

Step 4.

Check for defective wiring. Remove main junction box cover (para 7-47). Check resistance

of red wire between APC AUXILIARY PUMP CONTROL switch and main junction box

terminal board.

If resistance is more than zero ohms, replace wire, install control and main junction

box covers (paras 7-47 and 7-49).

Step 5.

Check for defective power wire. Check resistance of wire between main junction box

terminal board and engine circuit breaker.

If resistance is more than zero ohms, replace wire, install control and main junction

box covers (paras 7-47 and 7-49).

Change 3

2-232