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1999 200 Johnson motor trimming up by itself #12212195 04/23/17 07:31 AM
Joined: Mar 2017
Posts: 16
L
LBfishing Offline OP
Green Horn
OP Offline
Green Horn
L
Joined: Mar 2017
Posts: 16
My motor trims itself up and I have to unhook main power to make it stop. I replaced both relays last month and I thought it was fixed but today it is doing the same thing again. I can let it sit for an hour and it will work for a little while then it just goes up again. I need some ideals. I think it might be a short some where on one of the trim buttons.

Re: 1999 200 Johnson motor trimming up by itself [Re: LBfishing] #12212225 04/23/17 11:02 AM
Joined: May 2003
Posts: 11,586
gary purdy Offline
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586
Bow switch is the normal culprit (getting wet) but it can be the control trim switch. Disconnect the 12v power source from the bow switch to test. Same for the control switch.


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: 1999 200 Johnson motor trimming up by itself [Re: LBfishing] #12212412 04/23/17 03:00 PM
Joined: Apr 2015
Posts: 1,818
Curtbass Offline
Extreme Angler
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Extreme Angler
Joined: Apr 2015
Posts: 1,818
Could be in shifter handle. Wires get pinched & worn inside. DEFINATELY dont want trim motor to burn up while trailering. Hopefully its just a switch & not wire short.


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Re: 1999 200 Johnson motor trimming up by itself [Re: LBfishing] #12219318 04/27/17 03:06 PM
Joined: Aug 2008
Posts: 86
TWINCITY Offline
Outdoorsman
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Outdoorsman
Joined: Aug 2008
Posts: 86
When this happened to me it was the switch at the bow. It had water in it. It dam near burned up the boat. The motor came up and fried all the wires from getting too hot. I had to remove the motor to replace the tilt motor. So I would replace the switches before it is too late.

Re: 1999 200 Johnson motor trimming up by itself [Re: LBfishing] #12221829 04/28/17 09:23 PM
Joined: Jan 2012
Posts: 385
B
BAGaBass Offline
Angler
Offline
Angler
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Joined: Jan 2012
Posts: 385
Happened to me...it was the switch on the motor. Replaced it and hasn't happened since

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