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

DD21 Check Power to Relay







- Disconnect wire harness from pump motor relay.

Connector:





- Check voltage between pin 30 on wire harness to pump motor relay connector and ground.

- Is voltage over 10 volts?

YES -- Go to DD22. DD22 Check Power to Relay Coil

NO -- Service or replace battery, fuse, or circuit.