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Home >> Ford >> 1994 >> F 250 4WD Pickup V8-7.3L DSL >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> System Pre-Checks >> System Pre-Check Pinpoint Tests >> C - Yellow Light Self-Check OK, But Automatically Flashes >> C2 - Intermittent Power to Anti-Lock Electronic Control Module
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C2 - Intermittent Power to Anti-Lock Electronic Control Module



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

- 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 C3. [1][2]C3 - Damaged Module Ground

NO -- Repair Circuit 601 (LB/PK). Repeat System Pre-Check. [1][2]System Pre-Check Pinpoint Tests
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