Started to replace the vro on my 140 Evinrude and like an idiot did not check before ordering. Was told it had a 3 wire VRO on it and instead turns out has no wire pump on it. The book says to go with harness # 174710.The harness I ordered # 176709 seems to be missing 3 wires. Anyone know if I can adapt the one I have or do I have to order the harness. If it can be adapted, directions on how to do it if possible please. Thanks