FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Test 17, High Pressure Pump Ground Circuit Test


1. Using ohmmeter, check for continuity between clean underbody ground and the ground wire in the pump wiring harness.
2. If there is no continuity, repair open in pump ground wire, then repeat TEST 1 to verify pump operation.