Connectors Disconnection/Connection Note
WARNING: This page is about a different car, the 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the negative battery cable before doing any work that requires handling of connectors. Connect the negative battery cable only after the work is completed.