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.
2007 Jeep Wrangler V6-3.8LFACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch: Diagrams
Component ID: 321
Component : SENSOR-TRANSMISSION RANGE
Connector:
Name : SENSOR-TRANSMISSION RANGE
Color : LT. GREEN
# of pins : 10
Qualifier : (RLE)
Pin Description Circuit
1 - -
2 - -
3 SENSOR GROUND T13 18DG/VT
4 TRANSMISSION TEMPERATURE SIGNAL T54 18DG/OR
5 - -
6 - -
7 TRS T1 SIGNAL T1 18DG/LB
8 TRS T3 SIGNAL T3 18DG/DB
9 TRS T42 SIGNAL T42 18DG/YL
10 TRS T41 SIGNAL T41 18YL/DB
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
