design .. they get corroded very easily !! all other type of connectors still looks like new .. and the injector type connectors (TPS, Water temp sensor, AIV..etc) is another story ...they are also very hard to take off How come the ignition coil type connectors stay looking like new !!
Matt 91TT Aztec Red stg III+
The trouble with doing something right the first time is that nobody appreciates how difficult it was.