Gauge Cluster (Bonneville Without Boost Gauge)
- Turn ignition off. Disconnect instrument cluster connector. Turn ignition on. Measure voltage between instrument cluster connector terminal A6 (Pink wire) and ground. If battery voltage is not present, check Pink wire for an open circuit.
- If battery voltage is present, measure voltage between instrument cluster connector terminal B10 (Pink wire) and ground. If battery voltage is not present, check Pink wire for an open circuit.
- If battery voltage is present, measure voltage between instrument cluster connector terminals B2 (Pink wire) and B3 (Black wire). If battery voltage is not present, check Pink wire for an open circuit.
- If battery voltage is present, measure voltage between instrument cluster connector terminal B2 (Pink wire) to terminal A8 (Black wire), then terminal A17 (Black/White wire). If battery voltage is not present in both cases, check Black and Black/White wires for an open circuit.
- If battery voltage is present, measure voltage between instrument cluster connector terminal B4 (Pink wire) and ground. If battery voltage is not present, check Pink wire for an open circuit.
- If battery voltage is present, measure voltage between instrument cluster connector terminal A15 (Pink wire) and ground. If battery voltage is not present, check Pink wire for an open circuit. If battery voltage is present, turn ignition off. Measure voltage between instrument cluster connector terminal B9 (Orange wire) and ground. If battery voltage is not present, check Orange wire for an open circuit.
- If battery voltage is present, check instrument cluster connector for good terminal contact at terminals B2, A6, B4, A15, and B9, and repair as necessary. If all circuits are okay, replace instrument cluster.