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.
S79LR Window Switch - Left Rear
2018 Buick Regal BaseSECTION S79LR Window Switch - Left Rear
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-2A (GY) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| II | Not Required | J-35616-4A (PU) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | GN/GY | 6135 | Local Interconnect Network Serial Data Bus 4 | I | AEQ |
| 2 | 0.35 | GY | 747 | Left Rear Door Ajar Switch Signal | I | - |
| 3 | 0.35 | BK | 850 | Ground | I | - |
| 4 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 2.5 | BK | 2150 | Ground | II | - |
| 8 | 2.5 | RD/BU | 1240 | Battery Positive Voltage | II | - |
| 9 | 2.5 | BU/VT | 668 | Power Window Motor Left Rear Up Control | II | - |
| 10 | 2.5 | YE/BU | 669 | Power Window Motor Left Rear Down Control | II | - |
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.