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Mercruiser trim gauge not working

OK, it's somethign that I can live without, but concerning my alpha one mercruiser trim gauge doesn't work. I dont' need it. but I think it would be nice to have if I could get it working without having to overhaul something.

I've noticed a lot of used boats on ebay that have mercruiser drives, and the ads will state something like "Everything works but the trim gauge" or something to that effect.

Anybody know what I should look for and maybe what the common malady is?

another thing is that the speedo barely works at best. It's the type with the little tube that goes to the stern with the little white plastic funnel that just clears the keel. It never really has been responsive, and I've just thought that maybe some spider or associated bug decided to crawl up in there and make a nest, clogging off the inlet port or something like that.

cruising across the lake it may (and I do mean *may*) decide to move the needle some. Now I know these speedo's aren't too accurate and it's also something I can live without , but Iike it to do something besides be super lazy.

any ideas on that as well?

Thanks!

Tim
Jul 3
2009
You need a new trim sender but unfortunately you are required to buy the trim limit switch to go along with it. Not sold separately. You also should try a new pitot. They are cheap to purchase. J
Jul 3
Well, looks like I found out some stuff about the trim gauge. I went' and looked at my boat rather well, and it appears that there are wires int he system that seems like they were made for the sender, but that's it. I'm thinking that either somebody and problems with it int he past and removed but never replaced the sender, OR it could have been an option and never installed to begin with.

huh!

http://www.marine-engines.net/topics/000046.html?motors

Tim
Jul 3
thanks Jim. That's what I'm finding out. .

Now I've found some info on my speedo problem. But mine isn'tt he wheel type. I've got that type on my 23 ft'r an t seems to work and respond. But I'm still digging.

http://boards.trailerboats.com/cgi-bin/trailerboats/ubb/ultimatebb.cgi?ubb= get_topic;f 4;t 000723

Tim
Jul 3
   

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