Posts: 410
Location: With my son on the water | Some more details would help?
Did the unit work before and now it doesn't?
What did you change?
Did you try running it without the breaker?
Is your boat wired in series or parallel?
If in series? Do you have a shutoff switch on the jump between the + & -? If yes, what kind and how many amps is it rated for?
Are you running through a plug or wired direct? If a plug what kind?
What is your wire size and rough run length?
Do you have a meter and did you check the voltage your unit is getting? It sounds like it could be low, that's why it doesn't run on high and eventually is getting hot and shuts down. A bad connection, plug, undersize wire, or maybe a breaker could do this.
Should be able to fix this. 
Edited by btfish 10/4/2016 7:56 AM
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