part number 339-5287a2

paul miller

Recruit
Joined
Jul 13, 2011
Messages
1
Does anyone know if there is a way to test this switch box. I have used and ohm meter on the ground wires and only one will register the other will not. I just ran the motor last weekend and have had problems at trolling speed. I have to use the choke (even when warm) to start it and must rev it to keep her going. This is on a 1972 merc 110 (9.9) I don' know if i am running on just 1 cylinder at lower speeds and when "gassed" it triggers it to fire both ?:confused:
 
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