The ABS or ASR controller is by the HFM controller. The AC controller is the pushbutton assy itself. The SRS controller (crash profile sensor) is mounted on the tunnel. The DM diagnostic module is under the dash. The lighting module is in the fuse box. The alarm is under the dash passenger side. The door lock PSE is under the rear seat. The seat module with memory is under the seat.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician