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 MANUALSPONTIAC1987J2000/SUNBIRD L4-121 2.0LREPAIR AND DIAGNOSISLOCATIONSCONNECTOR LOCATIONS
1987 Pontiac J2000/Sunbird L4-121 2.0L
Connector Locations
1987 Pontiac J2000/Sunbird L4-121 2.0LSECTION Connector Locations
SUNBIRD
Connector C100: Upper LH Side Of Engine Dash
Connector C102: Behind LH Headlamps
Connector C103: Behind RH Tail Lamps
Connector C110: LH Side Of Engine, Below Distributor
Connector C113: LH Front Side Of Engine, Below Distributor
Connector C115: Behind Battery
Connector C116: Behind RH Side Of I/P, Near ECM
Connector C117: Behind Battery
Connector C125: Near Coolant Fan Relay
Connector C200: LH Shroud, Near Upper Access Hole
Connector C201: Behind I/P, Near Top Of LH Shroud
Connector C202: Behind I/P, Left Of Radio
Connector C203: I/P Harness, Near Fuse Block
Connector C207: Behind Glove Box
Connector C210: Below Middle Of Steering
Connector C211: Behind I/P, Strapped To RH Side Of Steering Column
Connector C214: Behind LH Side Of I/P, At Base Of -A- Pillar
Connector C216: Crosscar Harness, Near Upper LH Shroud
Connector C220: Behind Radio
Connector C221: Behind I/P, Above Steering Column
Connector C225: Behind LH Side Of I/P, At LH Shroud
Connector C226: Under RH Side Of I/P, Near Shroud
Connector C227: Behind I/P, Near LH Side Of Glove Box
Connector C229: Behind I/P, Between Radio & Glove Box
Connector C235: Behind I/P, Lower Center Of Steering Column
Connector C240: Behind LH Front Seat
Connector C241: Seat Harness, Below LH Front Seat
Connector C242: Below RH Front Seat
Connector C253: Behind I/P, Above Steering Column
Connector C254: Behind I/P, Above Fuse Block
Connector C255: Behind Center Of I/P, Above Brake Pedal
Connector C258: Behind Lh Side Of I/P, Right Of Steering Column
Connector C268: Behind I/P, Right Of Steering Column
Connector C269: Behind RH Side Of I/P, Near ECM
Connector C300: Behind LH Rear Wheelwell
Connector C301: Rear Of LH Quarter Panel, Behind Tail Lamps
Connector C302: Near LH Tailgate Hinge
Connector C303: Behind Tail Lamps
Connector C304: Behind Lh Wheelwell
Connector C305: Rear Of Car, Upper LH Corner Of Tailgate Opening
Connector C306: In Tailgate, Near Lower LH Corner Of Glass
Connector C307: In Lower LH Corner Of Tailgate
Connector C312: Behind Rear Seat
Connector C313: Behind Fuel Tank
Connector C316: LH Shroud, Near Lower Access Hole
Connector C317: RH Shroud, Near Lower Access Hole
Connector C320: Below LH Front Seat
Connector C324: Behind I/P, Right of Gove Box
Connector C325: Near Top Of TH Tailgate Pillar
Connector C326: In Tailgate, Below RH Side Of Window
Connector C327 (Hatchback): Rear Compartment, Behind LH Wheelwell
Connector C329: Rear Of Car, Center Of Rear Panel
Connector C331: LH Rear Of Trunk Lid
Connector C338: Near LH Hatch Header
Connector C339: Near RH Hatch Header
Connector C350: Above LH Wheelwell
Connector C403: In Rear Lamps Harness, Center Of End Panel
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:
- 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.