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Home >> Ford >> 1990 >> Cutaway 7.3 M >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test FD - Brake On/Off (Boo) Switch >> Test FD: Step 11
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Test FD: Step 11

11) Check Operation of Brake Lights  Turn key on. Depress brake pedal and check brakelights. If brakelights operate normally, go to next step. If brakelights are never on, go to step 13). If brakelights are always on, go to step 14).