Test 15, High Pressure Pump Feed Circuit Test

Fig. 12 Testing high pressure pump feed circuit:

1. Separate high pressure pump wiring connector and connect test light from ground to black/red wire in harness side of wiring connector, Fig. 12, then have assistant turn ignition switch to RUN position.
2. If light illuminates momentarily, proceed to TEST 16.
3. If light does not illuminate, repair open in feed circuit, then repeat TEST 1 to verify pump operation.