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Home >> Mercury >> 2005 >> Montego Base, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis And Testing >> Anti-Lock Control >> Pinpoint Test B: DTC B1484 - Brake Pedal Input Open Circuit >> Normal Operation

Normal Operation

The smart junction box (SJB) supplies voltage to the stoplamp switch through circuit 1140 (VT), when the ignition switch is in the RUN/START position. When the brake pedal is applied, voltage is routed to circuit 810 (RD/LG) to the anti-lock brake system (ABS) module.

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