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 MANUALSBUICK2006ALLURE CXSREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONNECTORS
2006 Buick Allure CXS
Electrical Component Locator: Connectors
2006 Buick Allure CXSSECTION Connectors
CONNECTORS LOCATION
| Component | Location |
|---|---|
| C100 (3.6L) (Black, 20 Pin) | On top of transmission. |
| C100 (3.8L) (Black, 20 Pin) | At rear of engine. See Figure. |
| C101 (Gray, 3.8L) (20 Pin) | Right rear of engine compartment. See Figure. |
| C101 (3.6L) (Gray, 20 Pin) | On front of strut tower. See Figure. |
| C102 (Black, 4 Pin) | Right side of dash. See Figure. |
| C104 (Black, 2 Pin) | Below underhood fuse block, near battery. See Figure. |
| C107 (Black, 7 Pin) | Near ECM. See Figure. |
| C108 (Black, 1 Pin) | Near underhood fuse block. See Figure. |
| C109 (Black, 10 Pin) | On on-engine wiring harness to fuel injector wiring harness. See Figure. |
| C110 (Black, 8 Pin) | On top of engine, near ignition control module, above fuel injector No. 1. See Figure. |
| C120 (Black, 6 Pin) | Lower right side of engine compartment below washer fluid tank fill neck. See Figure. |
| C125 (Black, 1 Pin) | On top center of engine, on intake manifold, near fuel injector 5. |
| C126 (Gray, 2 Pin) | Top of engine. See Figure. |
| C141 (Gray/Black, 6 Pin) | Behind headlamp. See Figure. |
| C142 (Gray/Black, 6 Pin) | Behind headlamp. See Figure. |
| C143 (Black/Gray, 4 Pin) | Behind park/turn signal. See Figure. |
| C144 (Black/Gray, 4 Pin) | Behind park/turn signal. See Figure. |
| C145 (Black, 2 Pin) | Behind left headlight. See Figure. |
| C146 (Black, 2 Pin) | Right front corner of vehicle. See Figure. |
| C200 (White, 20 Pin) | Near access panel. See Figure. |
| C201 (Black, 40 Pin) | Behind left knee bolster, on right side of steering column. See Figure. |
| C208 (Black, 10 Pin) | In back of left side dash access panel. See Figure. |
| C209 (Yellow, 4 Pin) | Behind left side of dash. |
| C210 (Except Electronic Controls) (Black, 2 Pin) | Behind radio. See Figure. |
| C210 (W/Electronic Controls) (Black, 12 Pin) | Behind radio. See Figure. |
| C240 (Black, 2 Pin) | Under front end of console. See Figure. |
| C241 (Black, 8 Pin) | Under floor console in front of shifter. See Figure. |
| C260 (Gray, 40 Pin) | Behind left kick panel. See Figure. |
| C261 (Gray, 40 Pin) | Behind right kick panel. See Figure. |
| C275 (Black, 8 Pin) | Behind left I/P knee bolster, taped to column harness. |
| C277 (Black, 8 Pin) | In steering wheel, behind air bag. See Figure. |
| C278 (Yellow, 4 Pin) | Behind right kick panel. See Figure. |
| C311 (Black, 12 Pin) | Below driver seat, at rear near carpet. See Figure. |
| C312 (Black, 4 Pin) | Below driver seat, at rear near carpet. |
| C313 (Black, 16 Pin) | Below front passenger seat. See Figure. |
| C315 (Yellow, 2 Pin) | Under passenger seat, at rear near carpet. |
| C316 (Yellow, 2 Pin) | Under driver seat, at rear near carpet. See Figure. |
| C317 (Black, 2 Pin) | Left front of roof. See Figure. |
| C318 (Black, 2 Pin) | Right front of roof. See Figure. |
| C355 (Black/Gray, 9 Pin) | Behind trim at center of "B" pillar. See Figure. |
| C356 (Black/Gray, 9 Pin) | Behind trim at center of "B" pillar. See Figure. |
| C390 (Black, 16 Pin) | In rear compartment, under right side of rear window panel. See Figure. |
| C398 (Black, 6 Pin) | Right rear package shelf trim, near "C" pillar. See Figure. |
| C400 (Black, 8 Pin) | In rear compartment, under right side of package shelf. See Figure. |
| C401 (Black, 4 Pin) | Behind left rear lamp housing. See Figure. |
| C402 (Black, 4 Pin) | Behind right rear lamp housing. See Figure. |
| C405 (Gray, 12 Pin) | In rear compartment floor, forward of spare tire well. See Figure. |
| C406 (Black, 2 Pin) | Behind left rear taillight. See Figure. |
| C450 (Black, 8 Pin) | Behind right rear tail light. See Figure. |
| C501 (Gray, 40 Pin) | In driver's door, near door speaker. See Figure. |
| C601 (Gray, 40 Pin) | Bottom of front passenger's door. See Figure. |
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:
- • 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.