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.
Main Switch
Measure switch resistance.
| Switch position | Terminal No. | Standard |
|---|---|---|
| UP | 12 and 1, 2 and 7 | Less than 1 ohm |
| OFF | 1 and 2 and 7 | Less than 1 ohm |
| DOWN | 12 and 2, 1 and 7 | Less than 1 ohm |
| AUTO DOWN | 12 and 2, 1 and 7 | Less than 1 ohm |
| Switch position | Terminal No. | Standard |
|---|---|---|
| UP | 12 and 5, 6 and 7 | Less than 1 ohm |
| OFF | 5 and 6 and 7 | Less than 1 ohm |
| DOWN | 12 and 6, 5 and 7 | Less than 1 ohm |
| Switch position | Terminal No. | Standard |
|---|---|---|
| UP | 12 and 9, 10 and 7 | Less than 1 ohm |
| OFF | 9 and 10 and 7 | Less than 1 ohm |
| DOWN | 12 and 10, 9 and 7 | Less than 1 ohm |
| Switch position | Terminal No. | Standard |
|---|---|---|
| UP | 12 and 14, 13 and 7 | Less than 1 ohm |
| OFF | 14 and 13 and 7 | Less than 1 ohm |
| DOWN | 12 and 13, 14 and 7 | Less than 1 ohm |
If NG, replace the main switch.
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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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