Trim motor/switch

[kmelford]

I have a 1997 Champion bass boat with a 175 EFI (0G361770). Over the last month the trim-up wouldn't work occasionally when on plane (under pressure) until a slightly backed off a little. I thought it may be the trim motor and checked the fluid which was all good.

Yesterday the trim-up stopped working from the shifter/control unit. But it works fine from the engine and bow switches in both directions.

Today I switched the directional wires (blue and green) at the engine to test it. I tested it from the shifter/control unit, when I pressed the switch down it moved the motor up, when I pressed the switch up it didn't do anything.

Is the relay/solenoid bad or the switch at the shifter is bad?

Thanks for any info.

[JOE54]

shifter switch nothing wrong on engine if it works fine at cowl switch

[kmelford]

Can the shifter switch be replaced and if so, are the available for purchase?

[JOE54]

shouldn't be a problem replacing would check for broken wire first

[EuropeanAM]

After you verify no broken wire coming from shift handle through panel, it would be good to know which control you have (one picture showing it would help).

[kmelford]

How do I test if it's broken wire without pulling apart the throttle control, which is a major event because access is very limited behind it?

Here's a pic.
image0 (6).jpegIMG_1661.jpg

[EuropeanAM]

You can ohms test the circuits of the switch with the switch disconnected, or test for voltage coming out of the switch (Blue-Sky-Up, Green-Grass-Down).

[kmelford]

No update yet. Haven't been able to make time to figure out how to test the wires. I'm not sure if I need to cut wires to test them or can it be done by just some simple disconnections?

[EuropeanAM]

Red (or purple) to BLUE/WHITE should have continuity when you push switch to UP.

Red (or purple) to GREEN/WHITE should have continuity when you push switch to DOWN.

[kmelford]

Thanks Don!

I got lucky on this one. I was expecting a lot of wire tracing and voltage testing. I started by pulling apart the control throttle arm and the wire was broken right there. I held the ends together and it worked. I can completed a very good splice and it’s all good. I plan to buy a new switch and wiring to replace later. Thx again for the help

[JOE54]

shifter switch nothing wrong on engine if it works fine at cowl switch