Jesse hooper 733 views 9 11 how to rebuild or clean carburator mercury 9 9 hp 4 stroke outboard motor. The external harnesses are about 20 feet long. 12 Wiring Diagram Engine Tilt And Trim Suzuki Df140 Engine 1970 1981 20 and 40 hp 2 cylinder 1967 1975 50 65 80 and 85 hp 4 cylinder 1966 1979 90 95 100 115 125 135 140 and 150 hp. Mercury wiring harnes . 13 116 80 116 80 get it mon jun 1 wed jun 3 106 99. Mercury engine wire harness cannon plug for mercury sport jet 90 120hp 3 and 4 cylinder. Since your motor probably has a starter just clip a jumper wire to the battery and touch it to the post on the starter solenoid. It reveals the parts of the circuit as simplified shapes as well as the power and also. Don t know what your solenoid looks like but about all i ve seen had large posts 3 8 on ea side and 1 or 2 small posts. Try either small post. Which post you say. The cdi electronics 414 2770 mercury mariner wiring harness fits the following engines. Amazon s choic