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Old 21 May 2016, 13:34   #1
Country: UK - Scotland
Town: Glasgow
Boat name: Porbeagle
Make: Avon
Length: 5m +
Engine: 90 mariner
Join Date: May 2016
Posts: 1
Faulty Trim

I have a mariner 90 approx 1990. I went to take it out on Thursday night, and the trim wouldn't go down, when I press UP I can hear the motor kick in, when I press DOWN it is totally silent, I then manually lowered the engine and the trim will bring it back up without any issues.

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Old 21 May 2016, 14:43   #2
Country: UK - England
Town: Royal Wootton Bassett
Length: 8m +
Engine: 250
Join Date: Jul 2008
Posts: 8,021
Faulty Trim

The trim switch operates solenoids at the engine, my bet is your trim switch or a faulty connection. Solenoids are more robust.

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Old 21 May 2016, 15:11   #3
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Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 60hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 3,388
Agree with whisper. Either faulty switch or more likely, wiring. Invest in a multimeter and do a continuity test. Outboard manufacturers in their lack of wisdom failed to use tinned wiring. Easy to identify, with multimeter. If the wiring is oxidised, then you can strip in new wiring. Lightly sand the ends on the solenoid and lightly grease. Check all bullet connectors.
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