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Brake Switch Signal

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  1. Ensure stoplights operate properly. While depressing brake pedal, measure voltage between specified PCM terminals. See BRAKE SIGNAL TESTING  . See Figure .
    BRAKE SIGNAL TESTING

    Application Measure Between PCM Terminals
    3.5RL A26 & E2
  2. Depress brake pedal. If battery voltage exists, brake signal is okay. If battery voltage does not exist, repair open in Green/White wire between PCM connector and brake switch.
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