Switch box testing

Capt dave 258

Seaman Apprentice
Joined
Jul 14, 2021
Messages
49
Greetings. I have a 1988 Mercury in line six cylinder, 115hp. Can someone direct me to a site that shows how to test the switch box for this motor? This particular motor has 2 switch boxes. Thanks
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,911
All the IL6 motors with ADI ignition have 2 switchboxes. Try the CDI electronics web site. They used to have a switchbox test.

In addition to the 2 switchboxes, your motor has 3 triggers, and two stator charge coils, one for low speed and the other for high speed operation.

What cylinders are not firing?
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,911
There is only testing for output so make sure you have a DVA adapter and if problem found only use OEM,Serria, Rapair/CDI or WSM replacements. The cheap stuff of Amazon is junk
 
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