Confirmed Achris, yahama equipment ~~1999 V8_5.0_ENG Yamaha Stern Drive POWER STEERING PUMP - OIL COOLER ...
http://www.bing.com/images/search?q=...electedIndex=0
That pressure switch tells the computer on the YEMS engine that it has enough water pressure. Take it to a radiator shop and they can repair it.
Thanks for pointing me in the right direction :joyous: :joyous:So, it's off to the Yammy forum we go...
As suggested by Capt. Ken I will be getting it done tomorrowwhy not repair what you have?