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Author Topic: Dual Battery Hookup via Solenoid...  (Read 180 times)
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Metal Twister
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« on: September 18, 2010, 04:58:21 PM »
No Battery isolator, no biggie!  Use a solenoid...

http://www.junkyardgenius.com/charging/dual01.html

I just hooked it up  Idea #2 style.
« Last Edit: September 18, 2010, 05:04:01 PM by Metal Twister » Logged
jgorm
data junkie
Intermediate Wheeler, expect Minor Body Damage
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Posts: 79
« Reply #1 on: September 20, 2010, 07:59:13 AM »
I use a 200A solenoid to hook up my camper batteries to my truck.  I have it so i can hook it up with key on, or just on (for charging off a battery charger, or if i need a little more juice off the truck battery).  I can also turn it off all the time.  I never understood spending a bunch on an isolator when solenoids are cheap and more controllable.  I did have one solenoid fail after a couple years, but it was only a 50A and $15.
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Ford Custom Email and Dyno tuning
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