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
Windows: Locations
Window Systems Component Views
Driver Door
1 - Door Lock Actuator - Driver
2 - Door Lock and Window Switch - Driver
3 - Speaker - LF Door Tweeter (UQ2)
4 - Outside Rearview Mirror - Driver
5 - Outside Rearview Mirror Switch
6 - C202
7 - C209
8 - Speaker - LF Door
9 - Window Motor - Driver
10 - Inflatable Restraint Side Impact Sensor (SIS) - Left Connector (ASF)
Front Passenger Door
Front Passenger Door Harness Routing:
1 - Outside Rearview Mirror - Front Passenger
2 - Speaker - RF Door Tweeter (UQ2)
3 - Door Lock and Window Switch - Front Passenger
4 - Door Lock Actuator - Front Passenger
5 - Inflatable Restraint Side Impact Sensor (SIS) - Right Connector (ASF)
6 - Window Motor - Front Passenger
7 - Speaker - RF Door
8 - C211
9 - C210
Left Rear Door (Crew Cab)
Left Rear Door Harness Routing (Crew Cab):
1 - Speaker - LR Door
2 - Door Lock and Window Switch - LR
3 - C316
4 - Window Motor - LR
5 - Door Lock Actuator - LR
Right Rear Door (Crew Cab)
Right Rear Door Harness Routing (Crew Cab):
1 - Door Lock and Window Switch - RR
2 - Speaker - RR Door
3 - Door Lock Actuator - RR
4 - Window Motor - RR
5 - C317
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.