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Switch Voltage

  1. Remove switch from trim panel. Separate multiple terminal block on wiring harness from switch body. Connect one lead of test light to battery wire terminal. Battery wire terminal is Black. Connect other lead to ground wire terminal. Ground wire terminal is Tan.
  2. If test light comes on, wiring between battery and switch is okay. If light does not light, check 30-amp circuit breaker in fuse block, broken wire or poor ground.