Expedition 4WD V8-281 4.6L SOHC (1998)
Keyless Entry Module: Service and Repair
REMOVAL
1. Disconnect the battery ground cable.
CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.
2. Disconnect the C257 and C256 Remote Anti-theft Personality (RAP) module electrical connectors.
3. Remove the nuts and the RAP module.
NOTE: On Expedition and later build Navigators, the antenna is internal to the module and must be replaced as an assembly.
INSTALLATION
1. To install, reverse the removal procedure.
NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive
