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Home >> Mazda >> 1993 >> 626 ES, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis & Testing >> Component Testing >> Stoplight Switch: Harness Test
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Stoplight Switch: Harness Test

Turn ignition off. Disconnect ABS control unit 12-pin connector. Turn ignition on. Check voltage between ABS control unit (vehicle harness side) connector terminal 1M (White/Green wire) and ground. See Figure . If voltage is not as specified, check wiring harness between stoplight switch and ABS control unit.