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Component Testing

Stop Lamp Switch Test

  1. Ignition OFF, disconnect the stop lamp switch.
  2. With the brake pedal released, test for infinite resistance between terminals A and B of the switch.
    • If resistance is not as specified, replace the stop lamp switch.
  3. With the brake pedal released, test for less than 1.0 ohm resistance between terminals C and D of the switch.
    • If resistance is not as specified, replace the stop lamp switch.
  4. With the brake pedal applied, test for less than 1.0 ohm resistance between terminals A and B of the switch.
    • If resistance is not as specified, replace the stop lamp switch.
  5. With the brake pedal applied, test for infinite resistance between terminals C and D of the switch.
    • If resistance is not as specified, replace the stop lamp switch.
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