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1972 100hp cant figure wiring on ignition switch

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bryce_jernigan

New member
"i just bought this boat with

"i just bought this boat with this evinrude motor . it has the evinrude selectric controls. the ignition switch was gone but the wires are there but i don't know how to conect them to the new ignition that i bought. it has a red/stripe wire,purple that goes to the warning bell, purple/green stripe, white, blue that i think goes to the shifter, and green that goes to the shifter. if u could help me in any way please do. nobody seems to want to help me at any of the boat shops around here. thanks"
 
"a-accessory,b-battery,c-choke

"a-accessory,b-battery,c-choke (electric),m-magneto,s-start,m-magneto with threaded insert electrical system ground. don't know which wire goes where"
 
"red/stripe wire = "B"

"red/stripe wire = "B"
purple = "A"
purple/green stripe = Shift Sw voltage input
White = "S"
blue = Shift Sw Reverse contact
green = Shift Sw Neutral contact

There should be a blocking diode between the Purple/Green wire and the "A" terminal.

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Wiring
 
The Red/Purple wire that is co

The Red/Purple wire that is connected to the "B" (battery) terminal of the ignition switch is the 12 volt power supply wire.

The other end of it should be connected to the positive battery cable terminal of the starter solenoid. There is a 20amp fuse in that wire a short distance from the solenoid.
 
"i thank you so much for the i

"i thank you so much for the info if it wasn't for this info i couldn't have got my boat to crank. finally put it in the water sunday and ran it a few times up and down the river. thanks so much, bryce"
 
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