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Old 01 December 2008, 16:14   #1
Country: UK - England
Town: Essex
Boat name: Club Boat
Length: no boat
Engine: Yam 40hp
Join Date: Dec 2006
Posts: 288
Problem with tilt guage

We have a Honda Engine with Honda controls.

The problem we have is with the trim/tilt gauge that is not working. We have changed the dial itself and also the sensor with spares we have but can;t work out what it is or where the problem lies.

This is our first boat so bear with us, if it makes a difference its on a 4.5mtr Humber.


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Old 02 December 2008, 11:41   #2
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
The sensor is basically a potentiometer that is varied as the motor tilts. I'm not sure which way the reading goes as you tilt, but all you're doing is varying the resistance (or perhaps voltage, if they've tied one end to power) that the indicator sees.

Turn everything off, place an ohmmeter on the pins at the back of the indicator, and manually move the sensor. You should see the reading change on the meter. If it doesn't, see if you can do the same thing at the connector for the sensor. If that's good and the reading at the gauge is not, then your problem will be in the wiring.

If you're getting a change at the gauge, then investigate whether you're supposed to have power to the sensor, and go from there.

jyasaki is offline   Reply With Quote

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