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#1 |
Registered User
Join Date: Oct 2016
Location: Porterville, CA
Posts: 221
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Battery Isolator
I have a 69 Chevy C10. I added a accuair air ride system. I'm going with a dual battery setup. The batteries are behind the cab mounted on the frame. I'm trying where is a good place to mount the battery isolator. To keep it from.getting wet. If I mount it on the frame as well. Trying to keep the battery cables from.the isolator to the batteries short. Anyone have any ideas.
Thanks, Ramiro |
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#2 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 473
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Re: Battery Isolator
Manual or electronic switch? Isolating what? Charging system, or suspension motors.
If you want to isolate the aux batteries from truck, you may want to wire like a oem aux rv battery. I am not familiar with these systems. When do you need to isolate? With a bit of planning you should be able to use a high amp relay or solenoid to do what you need electrically. My RV battery mimics OE option and only connects to the truck system in run position. Battery is isolated in all other states. Protects truck battery from draining while camping. Also isolates during start protecting from back feed and popping the fuse link |
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#3 |
Registered User
Join Date: Feb 2011
Location: Under the Truck Dreaming
Posts: 687
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Re: Battery Isolator
I have had this one under the hood in my other 4X4 (dual battery sys) for probably 15 years. Never had any issues, it just works. Check out their site, they have a couple of different options with wiring diagrams.
![]() https://www.hellroaring.com/bic95150B.php
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72 K20 Custom Camper, D60, 14BFF, full roller 406 TPI w custom built ECU and yes..it has tow hooks... |
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#4 | |
Registered User
Join Date: Oct 2016
Location: Porterville, CA
Posts: 221
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Re: Battery Isolator
Quote:
Ramiro |
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#5 |
Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,446
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Re: Battery Isolator
A lot of motor homes just use a continuous duty solenoid as the battery isolator for the coach batteries.
The ones I worked had the trigger wire wired through the ignition switch with a toggle switch in between so they could only be engaged when the key was in the run position. The toggle switch was so you didn't have to charge them if you didn't want to. A good Cole -Herse solenoid runs between 30 and 40 dollars depending on where you buy it.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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