So I just swapped out the old Mercontrol throttle for a used Quicksilver throttle (mid 90s probably) cross referenced the wire colors because i had to swap the female plug from the throttle control that goes to the male motor wire harness and seemed to work fine once hooked up, turned the key...
Im in the process of restoring a 76 Steury x150 with a 76 Mercury 850 Thunderbolt...had original mercontrol throttle with handle and cold start choke lever, wanting to upgrade to a good new controller with cables and also the boat does not have electric trim but I am adding it so thinking maybe...
Just picked up a 1976 Steury x150 with a Mercury 850 and Mercontrol shifter...just changed out the engine wiring harness and spark plugs and followed procedure for starting and it cranks for a few seconds but right when it seems to fire up it stops cranking and starter just makes a continuous...
