compleate wiring diagram for merc either 7.5 or 9.8 hp ser compleate wiring diagram for merc either 7.5 or 9.8 hp ser#6111958 August 7th, 2012, 02:04 PM this is a motor i receaved in peices now i looking for someone who might have an idea of what year and hp this motor realy is? Normal Older Mercury Outboard Wiring - YouTube Click to view on Bing1:50 we go again- another older Mercury motor with electrical issues. This one is slightly different because it has been in use and running flawlessly. THEN- it quit and they had to be towed inAuthor: ShipShape MarineViews: 118K Mercury Outboard Parts | Diagrams | Accessories | Lookup In January 1940, 5 new Mercury Outboard Models were introduced; the K1, K2, K3, K4 and K5 Outboard Motors with prices ranging from $42 - $98. And thus Mercury Outboards were born by Kiekhaefer and his 25 employees working 18 hours per day, 7 days a week. Mercury Marine Technical Library. Wiring Diagram for Mercury Outboard Motor | Free Wiring Collection of wiring diagram for mercury outboard motor. A wiring diagram is a streamlined traditional pictorial depiction of an electrical circuit. It reveals the parts of the circuit as streamlined forms, and the power and signal links in between the tools.