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 Chevrolet Impala V8-5.3LFACTORY OEM SERVICE PROCEDURE
Data Link Connector: Locations
Power and Grounding Component Views
I/P Harness - Front of the I/P Carrier
1 - I/P Carrier
2 - G202
3 - G201
4 - G200
5 - G204 (9C1, 9C3)
6 - C210
7 - Spot Lamp - Right Connector (9C1, 9C3)
8 - Fuse Block - I/P C2
9 - C360 (9C1 and 9C3)
10 - C362 (9C1 and 9C3)
11 - C200
12 - C267 (9C1 and 9C3)
13 - C266 (9C1 and 9C3)
14 - C297 (9C1 and 9C3)
15 - HVAC Control Module C2
16 - Splice Pack SP205
17 - Splice Pack SP206 and Splice Pack SP207
18 - C201
19 - Data Link Connector (DLC)
20 - C203
21 - C250
Factory Service Tools
Use the Manual With the Right Hardware
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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.