C31 Check Power to Relay

- Disconnect wire harness from pump motor relay.

Pump Relay Connector:

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

- Is voltage reading over 10 volts?

YES -- Go to C32. C32 Check Circuit 57

NO -- Service or replace battery, 40 amp fuse, circuit 537, 38 or 37.