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 (6 OF 7)COMPONENT CONNECTOR END VIEWSS78 TURN SIGNAL/MULTIFUNCTION SWITCH X1
2013 Cadillac CTS V, 2D Coupe, Automatic Trans
S78 Turn Signal/Multifunction Switch X1
2013 Cadillac CTS V, 2D Coupe, Automatic TransSECTION S78 Turn Signal/Multifunction Switch X1
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 | 13575845 | J-35616-64B (L-BU) | J-38125-215A | SAIT-A03T-M064 | 14 | P | P |
S78 Turn Signal/Multifunction Switch X1
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | BK/WH | 651 | Ground | I | - |
| 2 | 0.35 | L-BU/WH | 1414 | Left Front Turn Signal Switch Signal | I | - |
| 3 | 0.35 | D-BU/WH | 1415 | Right Front Turn Signal Switch Signal | I | - |
| 4 | 0.35 | D-GN | 306 | Headlamp Switch Headlamps Off Signal | I | - |
| 5 | 0.35 | WH | 103 | Headlamp Switch Headlamps On Signal | I | - |
| 6 | 0.35 | BN/WH | 301 | Rear Park Lamps Supply Voltage/Park Lamp Switch On Signal | I | - |
| 7 | 0.35 | OG | 192 | Front Fog Lamp Switch Signal | I | T3U |
| 8 | 0.35 | L-BU | 187 | Rear Fog Lamp Switch Signal | I | T79 |
| 9 | 0.35 | BK/WH | 651 | Ground | I | - |
| 10 | 0.35 | BK/WH | 651 | Ground | I | T3U or T79 |
RENDER: 1.0x
NO RELATED
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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.