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 MANUALSSATURN2000LS1 AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSSHIFT INTERLOCK SYSTEMCONNECTOR VIEWS

2000 Saturn LS1 Automatic

Connector Views

2000 Saturn LS1 AutomaticSECTION Connector Views

NOTE: On some vehicles, Park/Neutral Position (PNP) switch is referred to as Transmission Range (TR) switch and Brake Transmission Shift Interlock (BTSI) solenoid is referred to as brakelight switch or stoplamp switch. See Fig 1-Fig 20 .

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.