Mercathode Systems and Trim Senders Q?'s

BlewByYou88

Member
Jul 24, 2010
963
Arizona
Boat Info
268 Sea Ray Sundancer 1988
Engines
2X 4.3L 4bbl Mercs w/ Alphas
Somebody needs to explain to me, why does the trim sender go through the Mercathode unit??????

IMG_1635.jpg
 
i don't think it gos through the merc cathode. i think they are just using a common ground or power source. i traced the 230 out but it has been 3 years ago and i don't remember for sure
 
I can't answer your question, this wiring diagram halfway down the page may be of some use though. I believe it is related to your question.

Thankyou so much! I thought I was going crazy, and I couldn't find anything online related to the wiring going to the mercathode and anodes. :smt038
 
Thankyou so much! I thought I was going crazy, and I couldn't find anything online related to the wiring going to the mercathode and anodes. :smt038

No problem, I can't wait until someone answers the "why" as I am interested to know too. Mine are not wired in with the senders.
 
Well, one of my senders wasn't working, and turns out one of them was wired backwards. So, finding this diagram helps alot. I knew about MercStuff, but every diagram I saw didn't show the sender being tied into the mercathode system.
 

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