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Message Subject: 2003 Johnson 50 HP 4 stroke relay tilt/trim

muskyhunter34

Posted 12/10/2013 4:31 PM (#678262)
Subject: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 294

Location: New Jersey

hello,

I am trying to diagnose a problem with my tilt/trim. Occasionally, my motor will not go down, but always go up. I want to switch the leads and see if the problem reverses. This will tell me if it before or after (or at) the relays.

Attached is a picture of the side of the engine, I believe the 2 black boxes at the top with the wires sticking out of them are the two relays.

Does anyone know an easy way to do this?

thanks, Rob

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(relay johnson.jpg)

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relay johnson.jpg (176KB - 347 downloads)

Northwind Mark

Posted 12/10/2013 5:03 PM (#678269 - in reply to #678262)
Subject: RE: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 566

Location: Elgin, IL

I can try to help. I have a 96 Johnson 150. My trim/tilt relays are up on the Upper Port side of the motor, and are 2 side by side black 1"X 1" squares that plug in to an electrical housing. No wires to unplug, just the black boxes plug in. So simple to fix.

Go to Boats.net, and type in your model. You will be able to find a tilt electrical diagram, with part names and numbers. Their prices are very fair also.

Hope that helps, Good luck.

achotrod

Posted 12/10/2013 10:17 PM (#678328 - in reply to #678262)
Subject: Re: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 1283

The guys at iboats are great they should be able to help and maybe get you a online copy of you engines service manual.

kjgmh

Posted 12/11/2013 10:02 AM (#678382 - in reply to #678262)
Subject: Re: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 1096

Location: Hayward, WI

That motor does not have relays, it has a solenoid pack, I believe on yours it has the green and blue wire going to it on the right of your picture.

scmuskies

Posted 12/11/2013 11:34 AM (#678401 - in reply to #678262)
Subject: Re: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 258

Location: Mayville, WI

Does it do it on both switches - the one on the motor & one at the console/throttle lever? Assuming this is a console boat.

Edited by scmuskies 12/11/2013 11:35 AM

muskyhunter34

Posted 12/11/2013 3:32 PM (#678465 - in reply to #678401)
Subject: Re: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 294

Location: New Jersey

Yes, happens at the throttle and at the engine

Northwind Mark

Posted 12/12/2013 12:05 PM (#678615 - in reply to #678382)
Subject: Re: 2003 Johnson 50 HP 4 stroke relay tilt/trim

Posts: 566

Location: Elgin, IL

Yes, now I do remember. I replaced a solenoid pack once on a Johnson 93 50hp tiller on my first Lund.
I had lost spark....dead in the water. That sounds like it will work.

A great motor, almost bulletproof. But it didn't have power trim/tilt.

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