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 Hummer H3 L5-3.7LFACTORY OEM SERVICE PROCEDURE
Locks: Locations
Vehicle Access Component Views
Driver Door Components
1 - Outside Rearview Mirror - Driver
2 - Outside Rearview Mirror Switch
3 - C510 Driver Door Harness to Outside Rearview Mirror Harness
4 - C500 Door Harness to Body Harness
5 - Window Motor - Driver
6 - Speaker - LF Door
7 - Door Lock and Window Switch - Driver
8 - Door Lock and Window Switch - Driver C1
9 - Door Lock and Window Switch - Driver C2
10 - Door Lock Actuator - Driver
11 - Inflatable Restraint Side Impact Sensor (SIS) - Left (ASF)
12 - Key Lock Cylinder
Passenger Door Components
1 - Window Motor - Passenger
2 - Inflatable Restraint Side Impact Sensor (SIS) - Right (ASF)
3 - Door Lock Actuator - Passenger
4 - Door Lock/Window Switch - Passenger
5 - Speaker - RF
6 - C600 Passenger Door Harness to Body Harness
7 - C610 Passenger Door Harness to Rearview Mirror Harness
8 - Outside Rearview Mirror - Passenger
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.