Power Window Circuit Breaker: Testing and Inspection

1991 Dodge Shadow L4-135 2.2L SOHCSECTION Testing and Inspection
To test the circuit breaker, connect the negative lead of a voltmeter to a known good ground, and touch the positive lead to one terminal of the circuit breaker. If battery voltage is present, test the other terminal of the circuit breaker. If battery voltage is present on only one terminal, then the circuit breaker is defective. If battery voltage is present on neither terminal, check for a burned fusible link or power lead wire to the circuit breaker.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.