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  Blowing 20a fuse in motor, 81 evinrude 50hp

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Author Topic:   Blowing 20a fuse in motor, 81 evinrude 50hp
koifish posted 06-15-2006 03:05 PM ET (US)   Profile for koifish   Send Email to koifish  
The motor is a 1981 Evinrude 50hp with remote. When I go to start it with new 20a fuse it blows withing 1-3 seconds of cranking then nothing. I get power up to the selenoid from batt cable, no power after (key on/ key off). I have been using a test light for lack of meter. The question I mainly have is should the battery cable terminal at the selenoid be shared with wire going to fuse or should it be on underside (power out of selenoid to starter). I just think that it is getting too many amps where it is. Any advise would be helpful
koifish posted 06-15-2006 03:26 PM ET (US)     Profile for koifish  Send Email to koifish     
I think i found it, found the red/blue fuse wire to be broken and probably grounded out and the yellow/red wire to be same condition. Does the corrossion in wires stop farther down line or is it best to replace wires as both have the telltale blueing and dust in strands of wire. thanks, mike
jimh posted 06-15-2006 04:01 PM ET (US)     Profile for jimh  Send Email to jimh     
Water will tend to wick up into an insulated wire. You should check the condition of those leads to see if they have been corroded. Also, other wires in the harness could be in similar condition.

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