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.
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HOMESERVICE MANUALSCADILLAC2013CTS V, 2D COUPE, AUTOMATIC TRANSREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS (2 OF 7)COMPONENT CONNECTOR END VIEWSS39 IGNITION SWITCH
2013 Cadillac CTS V, 2D Coupe, Automatic Trans
S39 Ignition Switch
2013 Cadillac CTS V, 2D Coupe, Automatic TransSECTION S39 Ignition Switch
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575868 | J-35616-64B (L-BU) | J-38125-12A | SHCM-A03T-P025 | 20 | J | J |
S39 Ignition Switch
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1: 1 | 1: 0.35 | 1: PK | 1: 3 | 1: Run/Crank Ignition 1 Voltage | 1: I | 1: - |
| 2: 2 | 2: 0.35 | 2: RD/WH | 2: 1940 | 2: Battery Positive Voltage | 2: I | 2: BTM |
| 3: 3 | 3: 0.35 | 3: BN | 3: 4 | 3: Accessory Voltage | 3: I | 3: - |
| 4: 4 | 4: 0.35 | 4: WH | 4: 1390 | 4: Off/Run/Crank Voltage | 4: I | 4: - |
| 5: 5 | 5: 0.35 | 5: L-GN | 5: 80 | 5: Key In Ignition Switch Signal | 5: I | 5: BTM |
| 6: 6 | 6: 0.35 | 6: WH/BK | 6: 1073 | 6: Ignition Key Resistor Signal | 6: I | 6: - |
RENDER: 1.0x
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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.