Indicator Failure

Does not prove out:
1. Connect EEC-IV 60-Pin Breakout Box to the anti-lock brake control module with ABS Adapter Cable.
2. Connect EEC-IV 60-Pin Breakout Box pin 1 (yellow indicator) or pin 4 (red indicator) to the ground pin.
3. Wiggle the wire harness at the several points between anti-lock brake control module and instrument cluster.
4. Repair/replace the wire harness at the location that the indicator flickered off (yellow indicator) or on (red indicator) for an open circuit.