Battery Reconnect Procedure

NOTE: Whether one or both cables were disconnected, a minimum of 30 seconds MUST elapse between disconnection of the first cable and connection of the last cable. A clean final connection must be made. Do not allow temporary contact.

Connect the battery terminal(s).
Reset the clock.
Enter the radio security code.
Reprogram ECM as necessary. See PROGRAMMING in SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
Turn ignition OFF.