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so we've got a question from dennis

uh dennis has a 20-foot uh boat

and he asked jeff i've got a 130 horse

yanama outboard and i'm rewiring my boat

and i'd like to know if i should use a

battery isolator

my boat has a voltage regulator

alternator and it's 50 amps please let

me know

great question we get this all the time

um

technically yes but practically

no i tend to avoid

mucking around and changing the

electrical wiring on an outboard

i think the beauty of an outboard is

that it's standalone

and it shouldn't be tampered with that's

what makes outboards so great

they're predictable they're not

customized it's the way it is

and then you can have a technician that

knows everything about that engine that

is trained on that engine

and we're not modifying that engine for

our own use

and i think that's the beauty of an

outboard so my advice without boards is

don't muck with it leave it the way it

is because the problem is you might play

around with it but then another

technician or another boater

might not understand and then that's

where the bills gets

out of control so to use a battery

isolator

you would need to intercept this

alternate output

and run a new wire outside and remove

the daisy chain wire between the starter

post and the alternator post

and then run a new wire to the battery

isolator and then from the battery

isolator

to two of your batteries even when i say

it

it sounds complicated if it didn't sound

complicated

it should and the reason why i avoid

doing that and i'm like

i don't want to touch an outboard i want

the the warranty i want the text that

work on it

for them to know exactly what they're

dealing with

so when i want to share a charging

voltage

and i have an outboard what i do is i

use instead

a battery combiner or a dc to dc

charging converter

but i do not recommend for reasons of

keeping it simple

not that it's not doable it is doable

but it's not worth it

we got to make our boats easier and

simpler to troubleshoot

and to maintain hence your outboard

should be stay the way it is connect it

to your starter battery and between your

starter battery and your engine battery

install a battery combiner instead so

that was a really good question and

thanks for asking dennis

thanks for watching this video also we

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