Voltage 67 100HP Johnson

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Dadwith2boys

Cadet
Joined
Jul 16, 2009
Messages
25
I am looking to for the correct voltage for the components within the engine. I have the wiring diagram for this engine, however I would like to know what the voltage for Pulse Pack, ignition coil, starter, etc. should all be with the key on and/or the motor turning over.

Thank you!
 
F

F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,195
Re: Voltage 67 100HP Johnson

Pulse pack input (red) and starter motor should be battery voltage. By "battery voltage" note that it will drop some under cranking load, but should still be around 11V +/-.

You can't measure the pulse pack outlet with an ordinary voltmeter. A DVA meter is required (Peak reading voltmeter). I don't know the specs offhand, but it is somewhere around 300 volts in very short pulses.
 
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