how do i go about running new wires and bypassing the old wires to get it to turn on from a new switch or is there another way also if it is the waterpump would the fans run or would thay stop and act like mine is just dont want to tear into the wires if its the pump. got a guy that is a mac that said he would replace the pump timing belt and all other stuff for only 100.00 with me buying all the parts