Disabling System (Expedition & Navigator)
- Record preset radio frequencies for reprogramming (if equipped). Move and tilt front seats to their highest and rearmost position. Disconnect negative battery cable. Wait at least one minute for backup power supply to deplete stored energy.
- Remove driver air bag module. See DRIVER AIR BAG MODULE . Connect appropriate air bag simulator to clockspring connector at top of steering column (in place of air bag). See AIR BAG SIMULATOR .
- Remove passenger air bag module. See PASSENGER AIR BAG MODULE . Connect appropriate air bag simulator to vehicle harness (in place of air bag). See AIR BAG SIMULATOR .
- If equipped with side air bags, disconnect side air bag electrical connectors under front seats. Connect appropriate air bag simulator to driver and passenger side air bag vehicle harness connectors (in place of air bag). See AIR BAG SIMULATOR .
- Remove passenger side "B" pillar lower trim panel. Disconnect passenger side safety belt retractor pretensioner connector. Connect appropriate simulator to vehicle harness connector (in place of pretensioner). See AIR BAG SIMULATOR . Repeat procedure for driver side. Connect negative battery cable.
WARNING:
If vehicle is equipped with side air bags, manufacturer recommends removing front seats (with side air bag modules) before performing electrical diagnosis on air bag system. Seats may be left in vehicle if diagnostics are NOT being performed on side air bag system and air bag simulator is installed in place of side air bag harness.