Headlight Relay
NOTE:
Headlight relay may also be referred to as headlight control relay.
Remove headlight relay. Check continuity between headlight relay terminals No. 1 and 2. See Fig 1. Continuity should exist. Using jumper wires, apply battery voltage between terminals No. 1 and 2. Check continuity between terminals No. 3 and 4. Continuity should exist while battery voltage is applied. Continuity should not exist when battery voltage is removed. If continuity is not as specified, replace headlight relay.