Operation CHARM: Car repair manuals for everyone.

Fuel Pump Relay: Testing and Inspection

Fuel Pump Relay Testing:






1. Listen for operational "click" sound of relay when switching ignition to START.
2. Unplug relay and check that there is no continuity between terminals C and D.
3. Apply battery voltage across terminals A and B. There should now be continuity across terminals C and D.
4. If not as specified, replace relay.