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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 145 (WIPER SYSTEM AND WASHER SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESWINDSHIELD WIPER SYSTEM MALFUNCTIONCOMPONENT TESTING
2013 Buick Regal Turbo Premium, Standard Trans
Component Testing
2013 Buick Regal Turbo Premium, Standard TransSECTION Component Testing
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Windshield Wiper/Washer Switch - Static Test
- Disconnect the harness connector at the S82 windshield wiper/washer switch.
- With the S82 windshield wiper/washer switch in the HIGH position, test for less than 5 Ω between the terminal 2 and the signal terminal 1.
- If greater than the specified value, replace the S82 windshield wiper/washer switch.
- While cycling the S82 windshield wiper/washer switch through each delay and speed position, test for the specified resistance between the low reference terminal 2 and the signal terminal 3.
NOTE:
If the switch tests open in any switch position other than OFF, test the signal circuits for a short to voltage before replacing the switch.
Wiper Switch Values
| Switch Position | Resistance |
|---|---|
| Off | Infinite |
| Mist | 300-364 Ω |
| Delay 1 | 3.70-4.10 kΩ |
| Delay 2 | 2.60-3.20 kΩ |
| Delay 3 | 1.80-2.20 kΩ |
| Delay 4 | 1.10-1.50 kΩ |
| Delay 5 | 650-1000 Ω |
| Low | 300-364 Ω |
| High | 300-364 Ω |
- If any switch position is not within the specified range, replace the S82 windshield wiper/washer switch.
Windshield Wiper Motor - Dynamic Test
- Ignition OFF, disconnect the harness connector at the M75 windshield wiper motor.
- Install a 25 A fused jumper wire between the control terminal B and 12 V. Install a jumper wire between the ground terminal D and ground.
- Verify the M75 windshield wiper motor is operating in the low speed mode.
- If the M75 windshield wiper motor is not in the low speed mode, replace the M75 windshield wiper motor.
- Install a 25 A fused jumper wire between the control terminal A and 12 V. Install a jumper wire between the ground terminal D and ground.
- Verify the M75 windshield wiper motor is operating in the high speed mode.
- If the M75 windshield wiper motor is not in the high speed mode, replace the M75 windshield wiper motor.
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.