D2 Intermittent Power to Antilock Electronic Control Module

- Remove the harness connector from the antilock electronic control module.

- Set voltmeter to 20 VDC scale.

- Turn the ignition to the ON position.

- Shake the instrument panel harness while measuring battery voltage between Pin 1, Pin 9 and chassis ground.

- Is voltage steady and greater than 9 volts?

YES -- Go to D3. D3 Damaged Antilock Electronic Control Module Ground

NO -- Repair Circuit 601 (LB/PK). Repeat System Pre-Check. Inspection and Verification (Start Testing Here)