Why is my tilt and trim not working?

Why is my tilt and trim not working?

If the motor operates, then the problem is a lack of power to the motor (faulty solenoid or relay, bad connections, etc.). Failed solenoids, relays and corrosion (at connections, relay sockets, quick-disconnect plugs, etc.) are some of the most common problems associated with tilt and trim system failure.

How do you test a mercury trim motor?

To test the motor itself, bypassing the relays and relay wiring, find the two heavy gauge wires that lead to the trim/tilt pump motor. One should be green and the other blue. You will probably be able to find a quick disconnect plug near where the wires exit the outboard engine cover that you can disconnect.

How do you bleed mercury tilt and trim?

Bleeding: OB tilt/trim units are “self-bleeding” and you should always perform these “purge cycles” even if you don’t need to add any more fluid. To purge/check, remove the tilt lock (if engaged) and cycle the OB down by “jogging” it down, in 3 second bursts. Then rest the motor about 15 seconds.

How do I test my boat trim motor?

Touch the other end to the blue wire on the motor. As soon as you touch the battery cable to the blue wire, the motor should start to spin clockwise. If the motor fails to spin, then it is defective and needs to be replaced.

What kind of fluid goes in tilt trim?

Dextron ATF is a good substitute for outboard tilt and trim oil, especially since the tilt-trim unit is a hydraulic system. As a substitute, Penzoil company has a marine tilt-and-trim hydraulic fluid that can be used for power steering and tilt-and-trim systems.

How do you get air out of a trim engine?

Then trim the motor up and down, try to add a little more fluid and trim it up and down again. Do this several times to bleed all the air out of the system, and then put the hydraulic fluid fill screw back in, wipe off the excess fluid and your power tilt and trim should work.

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