Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Power Window Switch
Remove window switch from vehicle. See POWER WINDOW SWITCH R & I under REMOVAL & INSTALLATION. Using ohmmeter, check for continuity between switch terminals in specified switch positions. See appropriate POWER WINDOW SWITCH TESTING table. See Fig 1 , Fig 2 or Fig 3 . Replace power window switch if it does not test as specified.
| Switch Position | Continuity Between Terminals |
|---|---|
| Neutral | C74a-3, C74a-4, C74a-5, C74a-6, C74a-9, C74a-15, C74a-16, C74b-2, C74b-3, C74b-4 |
| Left Front Up | C74a-9 & C74b-2 |
| Left Front Down | C74a-9 & C74b-3; C74a-11 & C74b-2 |
| Right Front Up | C74a-3 & C74b-2; C74a-4 & C74b-3 |
| Right Front Down | C74a-4 & C74b-2; C74a-3 & C74b-3 |
| Left Rear Up | C74a-15 & C74b-4; C74a-16 & C74b-3 |
| Left Rear Down | C74a-16 & C74b-4; C74a-15 & C74b-3 |
| Right Rear Up | C74a-5 & C74b-4; C74a-6 & C74b-3 |
| Right Rear Down | C74a-5 & C74b-3; C74a-6 & C74b-4 |
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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.
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