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.
2008 Jeep Wrangler 4WD V6-3.8LFACTORY OEM SERVICE PROCEDURE
Alternator
Component ID: 107
Component : GENERATOR
Connector:
Name : GENERATOR
Color :
# of pins : 3
Qualifier : (DIESEL)
Pin Circuit Description
1 - -
2 D509 20WT/OR ECM LIN BUS
3 - -
Connector:
Name : GENERATOR
Color : BLACK
# of pins : 2
Qualifier : (GAS)
Pin Circuit Description
1 K125 18BR/GY GEN FIELD CONTROL
2 A804 16RD/GY GEN SENSE
Connector:
Name : GENERATOR-EYELET
Color :
# of pins : 1
Qualifier : (DIESEL)
Pin Circuit Description
1 A801 4RD/GY FUSED B(+)
Connector:
Name : GENERATOR-EYELET
Color :
# of pins : 1
Qualifier : (GAS)
Pin Circuit Description
1 A801 6RD/GY FUSED B(+)
Factory Service Tools
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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.
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