* Front Impact Sensors: These are the most crucial sensors. They're typically located within the front bumper beams, and sometimes also within the front frame rails near the radiator support. You'll likely need to remove some bumper components to access them.
* Side Impact Sensors: These are usually found within the side door structures, often near the rocker panels or within the B-pillars (the support posts between the front and rear doors). Accessing them requires removing interior door panels or possibly some exterior body panels.
* Rollover Sensors: These are typically located within the vehicle's central body structure, often near the center of the vehicle or in the roof area. Their exact placement is usually less accessible than the other sensors.
Important Considerations:
* Repair Manual: The best way to pinpoint the exact sensor locations is to consult a repair manual specific to your 2002 Chevy Silverado 2500HD. These manuals provide detailed diagrams and instructions.
* Safety: Working with airbags and their sensors can be dangerous. Deployed airbags can cause serious injury. If you're not experienced in automotive repair, it's strongly recommended to leave this task to a qualified mechanic. Disconnecting the battery's negative terminal is a crucial safety step before working on the airbag system.
* Hidden Locations: Sensors are often concealed and not readily visible. You may need to remove parts of the vehicle's structure to locate them.
In short, while I've provided general areas, precise locations necessitate a detailed repair manual or professional assistance. Do not attempt to locate or work on these sensors without the proper knowledge and safety precautions.
