1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 94Get this manual
CHARGING AND STARTING SYSTEM
Battery CablesEngine Wiring Harness (Remote Electric Start Models)
1Slide battery cables through sleeve2Thread battery cablesleeve through wire retainer of engine wiring harnessVerify 25.4mm (1 in of sleeve remains to the outside of wire retainer25.4mm (1 in