Pump Motor Relay
Check continuity between relay terminals No. 1 and 3. See Fig 1 . Continuity should exist. Check continuity between relay terminals No. 1 and 3. Continuity should not exist. Apply battery voltage across terminals No. 2 and 4 and check continuity between terminals No. 1 and 3. Continuity should exist. If continuity is not as indicated, replace relay.