Disabling System (Town Car)
- Record radio preset frequencies for reprogramming (if equipped). Move and tilt front seats to the 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 simulators 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 connector (in place of air bag). See AIR BAG SIMULATOR .
- Working under driver's seat, disconnect side air bag module electrical connector. Connect appropriate air bag simulator to vehicle harness connector (in place of air bag). See AIR BAG SIMULATOR . Repeat procedure for passenger side air bag module.
- Disconnect driver side seat belt pretensioner connector. Connector is located behind driver side "B" pillar. Connect appropriate simulator to vehicle harness connector (in place of seat belt pretensioner). See AIR BAG SIMULATOR . Repeat procedure for passenger seat belt pretensioner. Connect negative battery cable.
CAUTION:
On vehicles equipped with side air bags and seat belt pretensioners, manufacturer recommends removing front seats from vehicle before performing any diagnostics or repairs to air bag or seat belt pretensioner system. For diagnostics on systems other than side air bags or seat belt pretensioners, seats may be left in vehicle as long as simulator tool is installed in place of side air bag and seat belt pretensioner harness.