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.
2012 Chevrolet Colorado 2WD L5-3.7LFACTORY OEM SERVICE PROCEDURE
Battery Control Module: Locations
Harness Routing Views
Battery Cable Harness Routing
1 - G104
2 - Starter
3 - Generator X2
4 - Battery
5 - Generator Battery Control Module Connector
6 - Battery Negative Terminal
7 - Fuse Block - Underhood
8 - Ring Terminal Battery
9 - Ring Terminal Generator
10 - Battery Positive Terminal
11 - Generator
12 - X111 (Engine Harness to Battery Harness) (LLR or LLV)
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:
- • 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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