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Wiring and Battery Addition

jcb1977

Jet Boat Addict
Messages
173
Reaction score
126
Points
112
Location
Elkhart Lake, WI
Boat Make
Yamaha
Year
2024
Boat Model
SX
Boat Length
25
The easiest way is to just run a wire from ACR post #1 to Battery Switch Load post #1 (accessories) and another from ACR post #2 to Load Post #2 (Outboard).....no power draw when switch is off and you can independently charge each battery.

I would put the fuses between battery and battery switch. If you used the 65 amp mini , I would put a 60amp fuse on each positive to protect that switch.

Alternatively, you can leave it the way you have it and just add a switch to the ACR ground but will have to make sure to turn that switch off everytime after using it so it doesn't draw in storage and/or when you charge the batteries. But I would still get 60-amp fuses in to protect that switch.
If that 60-amp fuse trips a few times, it's a sign you should upgrade to the 120-amp version.
 

Clacava

Active Member
Messages
21
Reaction score
4
Points
42
Boat Make
Yamaha
Year
2021
Boat Model
AR
Boat Length
21
The easiest way is to just run a wire from ACR post #1 to Battery Switch Load post #1 (accessories) and another from ACR post #2 to Load Post #2 (Outboard).....no power draw when switch is off and you can independently charge each battery.

I would put the fuses between battery and battery switch. If you used the 65 amp mini , I would put a 60amp fuse on each positive to protect that switch.

Alternatively, you can leave it the way you have it and just add a switch to the ACR ground but will have to make sure to turn that switch off everytime after using it so it doesn't draw in storage and/or when you charge the batteries. But I would still get 60-amp fuses in to protect that switch.
Believe I have 100a there now. Used that because the material list and pic I used from this stream showed 100a. Does it matter that much? I can get a 60a though. I will add the switch just because of ease to do, not tons of room to switch around as you suggested, but I do thank you for the advice throughout this process. Any particular switch you would recommend?
 

jcb1977

Jet Boat Addict
Messages
173
Reaction score
126
Points
112
Location
Elkhart Lake, WI
Boat Make
Yamaha
Year
2024
Boat Model
SX
Boat Length
25
Believe I have 100a there now. Used that because the material list and pic I used from this stream showed 100a. Does it matter that much? I can get a 60a though. I will add the switch just because of ease to do, not tons of room to switch around as you suggested, but I do thank you for the advice throughout this process. Any particular switch you would recommend?
well, we have a 100-amp fuse on this thread because we used the 120-amp switch and ACR. you have the 65-amp version so a 100-amp fuse is doing absolutely nothing in your case as the weak link is the 65-amp rated switch. I would definitely change those out to 60 amp and get them between the battery and switch.

any 12V inline toggle switch should work with a minimum rating of say 10 amps or more.
 
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