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.
Master Switch
Remove master switch. Using DVOM, check for continuity between terminals of master switch. See Fig 1. Ensure continuity is as specified between appropriate terminals in indicated switch positions. See MASTER SWITCH CONTINUITY SPECIFICATIONS table. If continuity is not as specified, replace master switch.
| Switch & Position (1) | Test Between Terminals No. | Continuity | |||
|---|---|---|---|---|---|
| Driver's Window | |||||
| Up (Auto) | 4, 9 & 11 | Yes | |||
| Up (Manual) | 4 & 9 | Yes | |||
| Off (Neutral) | Any | No | |||
| Down (Manual) | 2 & 4 | Yes | |||
| Down (Auto) | 2, 4 & 11 | Yes | |||
| Right Front Window | |||||
| Up (Auto) | 4, 13 & 15 | Yes | |||
| Up (Manual) | 4 & 13 | Yes | |||
| Off (Neutral) | Any | No | |||
| Down (Manual) | 4 & 5 | Yes | |||
| Down (Auto) | 4, 5 & 15 | Yes | |||
| Left Rear Window | |||||
| Up | 8 & 12; 7 & 10 | Yes | |||
| Off (Neutral) | 7, 8 & 10 | Yes | |||
| Down | 10 & 12; 7 & 8 | Yes | |||
| Right Rear Window | |||||
| Up | 12 & 14; 7 & 16 | Yes | |||
| Off (Neutral) | 7, 14 & 16 | Yes | |||
| Down | 12 & 16; 7 & 14 | Yes | |||
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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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