Bulb Check Relay
- Remove bulb check relay from instrument cluster. Using jumper wires, connect battery positive to relay terminal "C" through a 1.4-watt test bulb. See Fig 1. Connect battery negative to relay terminal "B". Test bulb should not illuminate.
- Connect an additional battery positive lead to terminal "A". Test bulb connected to terminal "C" should illuminate. If relay does not operate as specified, replace relay.