1983 Yamaha 30EN Outboards Service Manual, Page 134Get this manual
5Connect the choke solenoid lead, and connect the lead (brown) coming from the starter relay to the neutral switch leadNext, bolt the ground leads coming from both starter relay and wire harness to the starter stayClamp the lead at three places to the bottom cowling with wire holders 10Clamp the wire harness and battery wire to the steering bracketConnect the lead coming from the lighting coil to the lead (green) of the wire harness7Connect the lead (white) from the CD unit to the white lead of the wire harness, and place them in the holderConnect the ground lead of the wire harness to the ground bolt on the COl bracket, and secure it with the nut1Wire harness Battery wire Clamp