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Home >> Ford >> 2007 >> Focus ST >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamic Systems >> Diagnostic Tests >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test A: Brake Switch Circuit Failure >> Normal Operation
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Normal Operation

When the brakes are pressed voltage is supplied from the brake switch to the generic electronic control module (GEM) to the brake lights.

Possible Causes