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 MANUALSBUICK1999LESABRE V6-3.8L VIN KREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSDIAGRAMSCONNECTOR VIEWSA/T INTERNAL CONNECTOR END VIEWS
1999 Buick LeSabre V6-3.8L VIN K
A/T Internal Connector End Views
1999 Buick LeSabre V6-3.8L VIN KSECTION A/T Internal Connector End Views
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch Connector, Wiring Harness Side
1-2, 3-4 Shift Solenoid (1-2, 3-4 SS) Valve Connector, Wiring Harness Side
2-3 Shift Solenoid (2-3 SS) Valve Connector, Wiring Harness Side
Pressure Control (PC) Solenoid Valve Connector, Wiring Harness Side
Torque Converter Clutch Pulse Width Modulated (TCC PWM) Solenoid Valve Connector, Wiring Harness Side
Transmission Fluid Temperature (TFT) Sensor Connector, Wiring Harness Side
Input Speed Sensor Connector, Wiring Harness Side
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.