General Motors Sockets and Connectors - WiringProducts. Ltd. General Motors original equipment replacement sockets and connectors for GM vehicles such as Chevy, Buick, Pontiac, Oldsmobile, and others. General Motors Sockets and Connectors - WiringProducts. Ltd.GM Engine Connectors · GM Chassis Connectors Fuse block terminal connectors - Chevy Colorado & GMC Canyon Nov 17, 2013On a 2009 Chevy Colorado, there are 2 large rectangular terminal blocks and 2 square blocks on the underside of the fuse block. The only identifying letters are Delphi PA66. The truck was in the storm surge of hurricane Sandy and got salt water in the fuse block cover apparently.