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.
Transmission Range (Tr) Switch
Disconnect negative battery cable. Disconnect TR switch harness connector. Place transmission in Neutral. Loosen TR switch retaining bolts. Connect an ohmmeter between terminals "A" and "H" at TR switch. See Fig 1 . Adjust switch until there is continuity between terminals "A" and "H" at TR switch. Tighten TR switch retaining bolts to 70-95 INCH lbs. (8-11 N.m). Connect TR switch harness connector. Connect negative battery cable. Ensure vehicle will only start with transmission in Park or Neutral.
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.