Disabling System (Econoline)
- Record radio preset frequencies for reprogramming (if equipped). On gasoline engines with single battery, disconnect negative battery cable. On gasoline engines with dual batteries, also disconnect auxiliary negative battery cable (on right frame rail). On diesel engines, disconnect primary negative battery cable. Disconnect and INSULATE primary battery positive cable.
- On all models, 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 .
- Release retaining clips and remove right lower instrument panel finish panel. Remove bolts and remove right lower instrument panel finish panel reinforcement and reinforcement mounting bracket. Locate and disconnect the passenger air bag module electrical connector between interior engine cover and passenger air bag module. See Fig 1.
- Attach air bag simulator to harness side of the passenger air bag module electrical connector. See AIR BAG SIMULATOR .
- Disconnect both seat belt buckle pretensioner electrical connectors. Attach air bag simulator to harness side of each seat belt pretensioner electrical connector. See AIR BAG SIMULATOR . Reconnect all battery cables.
WARNING:
On diesel engines with dual batteries, the primary battery positive cable remains energized after it is disconnected.