Switched cables battery 15 amp fuse blows.

stenart1

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Joined
Jun 9, 2015
Messages
14
I have a Mercury 50 hp EF1 4-strokes 2012, recently change out the battery.
I hooked battery leads up to reverse poles.

Some fuses blow up
20 amp 25 and 15
All is replayced ,but when I try to start engine the 15 amp fuse blows again.

When I turn the key with ok fuses to test mode ( start) It beeps once and everything seams to work.
The smart craft shows data, and also tilt is working on engine.

But when I turn the key to run ,the fuse blows.

I have seen some post allready here So I have tried to do some search by my self.
I cant find any damage cables on motor or the control.

I found a vid on youtube https://www.youtube.com/watch?v=HXvq4gfVfsY
That seamed to have the same issue.

He swapped the cable asy diode and that was the fix. Dont know if this is gonna help me.

I have taken this harnes out and trying to figure out if i can do some measurement .
However dont know if I´m doing this correct

Shouldent one dircection give me some less figurers
Now they are simular.
 

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stenart1

Cadet
Joined
Jun 9, 2015
Messages
14
When i measure with that Diode mode on my multimeter i got 000.1 in both directions.
 
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