J21 - Check For B(+) to Fuel Pump Relay

- Key "OFF".

- Disconnect fuel pump relay.

- Measure voltage between B(+) circuit at the fuel pump relay vehicle harness connector and battery negative post.

- Is voltage greater than 10.5 volts?

Yes -- Go to J22. J22 - Check Power to Pump Circuit Continuity

No -- Verify integrity of fuse/fuse link for B(+) supply to fuel pump relay. If OK, service open in B(+) circuit. Reconnect fuel pump relay. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)