Power Window Switch: Testing and Inspection

1991 Dodge Shadow L4-135 2.2L SOHCSECTION Testing and Inspection

Power Window Switch Continuity Charts:





1. Remove the power window switch from its mounting.
2. Turn the ignition key to the on position. Check for available power by probing the TN wire with a test light.
^ If power is available, go to step 3.
^ If power is not available, check the circuit breaker and the wiring.
3. Use a small flat bladed screw driver to release the wiring harness lock tabs and carefully separate the wiring from the back of the switch.
4. Use an ohmmeter to check the switch for proper continuity in the indicated switch positions.
^ If the proper switch continuity results are not obtained, replace the switch.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.