replace switch box in pairs?

becoyote

Seaman Apprentice
Joined
Aug 19, 2009
Messages
37
1 of 2 switch boxes are bad. Should I replace both? If it is okay to switch one can I replace it with aftermarket and leave the original merc unit in?

Engine is an 82 inline 6
 

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
Re: replace switch box in pairs?

It is recommended that both be replaced at the same time as there are changes made to them over the years.
 
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