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Old 08 July 2014, 14:47   #1
Country: UK - Scotland
Length: 4m +
Join Date: Apr 2014
Posts: 2
Mariner 40hp ignition wiring

Having to replace the ignition on my searider sr4. The engine is a mariner 40 hp 2 stroke, age unknown but fairly old.
The problem is that the old ignition is moulded without lettering to let you know what colour does what. I have red (battery) and black (earth) but also yellow and brown. The new switch has places marked solenoid, magneto and accessory. What colour wire relates to these. Also have a kill switch which has black and white wires. I am assuming the black also goes to the earth but where does the white connect to.

Hope this makes sense


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Old 26 July 2014, 04:18   #2
Country: Canada
Town: Southern Ontario
Boat name: -Unknown-
Make: SeaMax
Length: 4m +
Engine: Merc/Minn Kota
Join Date: Mar 2012
Posts: 216
Do a google search on the engine Ignition wire color code, after looking up the serial number to identify exact year and model.

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Old 26 July 2014, 05:03   #3
SimonStDavids's Avatar
Country: UK - Wales
Town: St Davids
Boat name: Mellifera
Make: Avon
Length: 4m +
Engine: Outboard
Join Date: May 2010
Posts: 166
Hi Robbie,

Post sone pictures of the engine and ignition switch as it will help.

I has an old mariner and replaced the ignition so from memory this was was in mine.

Black- ground
Red- positive
Brown- ignition
White- kill switch
Pink- warning buzzer
Green- tacho signal
Light blue (I think?)- choke

From the ignition then there was also a switched positive, my ignition barrel had been changed already so was black and yellow, but I think the yam/mariner was yellow?
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Old 28 July 2014, 10:53   #4
Country: UK - Scotland
Length: 4m +
Join Date: Apr 2014
Posts: 2
Thanks for the replies. Eventually figured it out and it matched what Simon posted. Back on the water, yipee
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