1975 Evinrude 40 HP Outboards Service Repair Manual, PN 5093, Page 89Get this manual
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IGNITION SWITCH POSITIONS TER INAL BLOCK
"OCWHm "GA
RED 16 GABLUE 18 GASAFETY SWITCH
BLUEWHITE
8LACK GA
PURPLEWHITE 16 GA
MOTOR A