TEST OR INSPECTION
While an assistant pushes and holds pump operator's panel PUMP PRIMER switch to
ON position (WP 0004), check for 22 to 28 VDC between pump house wire 1590 (red)
at pump prime primer valve control solenoid and a known good ground.
If 22 to 28 VDC are not present, go to Step 39.
Turn battery disconnect switch to OFF position (WP 0007). Check for continuity across
pump house wire 1640 (black) from pump prime primer valve control solenoid terminal
to a known good ground.
If continuity is present, replace pump prime primer valve control
If continuity is not present, repair wire 1640 in pump house wire
harness if repairable (TM 9-2320-325-14&P), or replace pump house
wire harness (WP 0458).