The Thexton TH513 Delphi Jumper Wire and Circuit Replacement Kit is designed to test and replace defective Delphi terminals. This kit includes all of the necessary jumper wires, test leads, terminals, butt splices, terminal release tools and heat shrink to repair most damaged Delphi circuits. If a terminal is deemed defective simply remove the terminal using the correct terminal release tool provided in the kit, cut the defective wire off and splice in a new wire using the parts provided in the kit.