Used MerCruiser 5.0 l ECM bravo part numbers 8m2003672.  And 8m 2001111 $795 & Free Freight in the Continental US Only. (BWI #5445) Electrical item tested on motor, guaranteed to work, sold as-is,no warranty. We suggest you have a qualified tech properly diagnose that thisis your issue as electrical parts are non-returnable. Without proper diagnosis,a different electrical issue could damage this part once installed.