OMC Wiring Diagrams., Page 32Get this manual
1978 250 HP SELECTRIM
DIAGRAM KEY
-8LACK -DARKGREEN AND WHITE -WHITE fW-'WmWGRE BLUE LIGHTBLUE PINK AND WHITE -ORANGE AND BLACK -BLACK AND OeANGE -PURPLE AND ORANGE PURPLE -.WGRE AND OIIANGE "-I-.I-PURPLEAND RED -LIGHT GREEN -TAN "i-YELLOWAND BED ALL WIRES RE 16 GAUGE EXCEPT WHEREN