hey guys ive got a 1992 cr250 thats new to me and ive got a qustion. i have a transom shower on my boat its behind a small door on the rear starbird inside it looks like garden hose spicket and i thank its hooked  to the freash water pump . on my dash i have a wash down pump switch it turns on the light but  makes no pumping sound .. so do you guys thank this switch is just for looks?? i thout that it was a lake water transom shower . switch please help