Disassembling connectors
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Note the rubber gasket.
Disconnect the connector from the transmission
Remove the tie straps for the cable harnesses and rubber seal.
Remove sockets from connector casing.
Insert a screwdriver between the casing and socket and press the catch in. At the same time slide the sockets out of the casing.