Trim Indicator??
05-17-2002, 10:54 PM
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Not a whole lot of info. you've given us there, Patrick but the sending units on the pivots of the gimble ring (starboard side for indicator sender and port for trim limit) are a common problem. Wires get pinched and severed, water gets into the things and they cease to function, all kinds of things. The kit from Merc. includes both sides and they're just a ball to change but you don't have to pull the gimble and stuff if you have the right swively sockets. Enjoy! --- Jer
05-18-2002, 12:02 AM
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trim sender
I tried to email you directly but your profile refused it. Not very sporting! Your trim indicator proublem is usually the sending unit that is under water every time your boat gets wet. It's located on the starbord side of the steering fork(RIGHT SIDE)
05-18-2002, 02:09 AM
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To diagnose problem
To verify that the problem is the trim position sender find where the wires from it connect to the engine wiring harness near the bracket by cylinder #2 with 55 Amp circuit breaker and slave solenoid. The trim sender cable looks like heavy black 2 wire lamp cord and has two bullet slip connectors in plastic sleeves.
Pull the connectors apart and temporarily connect the two engine harmess ones together. The brown/white wire goes to the dash gauge and the black to ground.
With the ignition power on the trim gauge should peg full up if the problem is in the sender. If the gauge does not move then you have a interior problem.
By the book replacing the sender requires removing the outer gimbal hinge pins and uncoupling the big and small bellows. If you are not a purist, and appearance is not a big issue, there is a simpler way. Mount the sender, reversed 180 degrees, with the wires point aft. Then cable tie the sender wire up the back of the gimbal and route the wire through a 3/8" hole drilled in the transom to the top right of the I/O upper.
It is best to buy and replace the whole assembly with trim sensor and trim swith with common "Y" cable. The old cable insulation degenerates and this is not really a good place to have splices anyway.
Doug
Pull the connectors apart and temporarily connect the two engine harmess ones together. The brown/white wire goes to the dash gauge and the black to ground.
With the ignition power on the trim gauge should peg full up if the problem is in the sender. If the gauge does not move then you have a interior problem.
By the book replacing the sender requires removing the outer gimbal hinge pins and uncoupling the big and small bellows. If you are not a purist, and appearance is not a big issue, there is a simpler way. Mount the sender, reversed 180 degrees, with the wires point aft. Then cable tie the sender wire up the back of the gimbal and route the wire through a 3/8" hole drilled in the transom to the top right of the I/O upper.
It is best to buy and replace the whole assembly with trim sensor and trim swith with common "Y" cable. The old cable insulation degenerates and this is not really a good place to have splices anyway.
Doug
Last edited by doug hess; 05-18-2002 at 10:50 AM.
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