Here's some info too:
Air Bag Control Module (ACM)
The Air Bag Control Module (ACM) is one of the most visible part of the system. It contains the air bag safing sensor and energy reserve capacitor. The ACM is mounted on the tunnel floor pan forward of the center console. The safing sensor is located inside the ACM. The safing sensor provides confirmation of a crash, but does not determine the severity. The ACM monitors the system to determine the system readiness. The ACM will store a sufficient energy to deploy the airbags for only two minutes after the battery has been disconnected. The ACM contains on-board diagnostics, and will illuminate the AIRBAG warning lamp on the dash when a fault has occurred. The warning equipment is tested for a few seconds every time the vehicle is started.
DISARMING THE SYSTEM
Disconnect the negative battery cable and isolate the cable using an appropriate insulator (wrap with quality electrical tape).
Allow the system capacitor to discharge for 2 minutes before starting any repair on any air bag system or related components. This will disable the air bag system.
2003 Jeep Grand Cherokee my current DD
1995 3.5L Intrepid, Sold in 2010