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Jan 23rd, 2013
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Ultrex Fuse Blown #13355172 11/28/19 01:49 AM
Joined: Jan 2011
Posts: 386
Loomis ex Offline OP
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I was getting some interference on my sonar so I went to change out the fuse in the head unit of my 36V Ultrex. I read that if you change from 3 to 5 amp, the interference will go away.
The problem is, when I go to put a new fuse in, it blows every time. Even when I turn off the battery power to the trolling motor and depth finder. What would cause this?

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Re: Ultrex Fuse Blown [Re: Loomis ex] #13355184 11/28/19 02:07 AM
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RandyD Offline
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So... changing the size from a 3amp to 5amp should NOT help interference... If the fuse is blown, it could have fome from a number of thing...Example, a spark, a cable that was connected while the power was on, etc... HOWEVER, if the fuse is blowing when you replace it, there is a direct short somewhere in the head unit would be my guess... Look for a pinched wire, perhaps the transducer cable is pinched?...


Ranger Z521c / Merc 250 / Minn Kota Ultrex
GLoomis Rods / Shamano Reels,... and a whole lot of luck...


Re: Ultrex Fuse Blown [Re: Loomis ex] #13355596 11/28/19 03:23 PM
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Loomis ex Offline OP
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Thanks

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