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Adding a second battery


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mobilevt 
Copper - Posts: 73
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Joined: October 29, 2003
Location: Washington, United States
Posted: August 21, 2004 at 7:40 PM / IP Logged  

FS,

I just sold my 99 Ranger that had a secondary battery!  I just used a 200w HD solenoid and put the battery in the back.  I installed two 150a resettable breakers, front and back as close as possible to the batteries.  4g will work fine.  Ground the second battery to the frame as good as possible with starwashers & bolts.

You can use an isolator but it cuts the voltage to the secondary battery by .8 volts.  Solenoid connected to the ignition will work, you just have to choose ignition or accessory.  If you will draw a lot of power from the secondary, hook it to accessory.

Best of luck!

Sean

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abachelier 
Member - Posts: 1
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Joined: July 19, 2004
Location: United States
Posted: August 29, 2004 at 8:58 PM / IP Logged  
Fast Solutions wrote:
I have a 1999 Ford Ranger, and I need to add a second battery, I have a isolator but, I need to know which wire is the sensing wire off the alt. Also should I run 4ga. wire to the second battery?Adding a second battery -- posted image.
auex 
Platinum - Posts: 5,041
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Joined: December 23, 2002
Location: Arizona, United States
Posted: August 29, 2004 at 9:11 PM / IP Logged  
abachelier wrote:
Fast Solutions wrote:
I have a 1999 Ford Ranger, and I need to add a second battery, I have a isolator but, I need to know which wire is the sensing wire off the alt. Also should I run 4ga. wire to the second battery?Adding a second battery -- posted image.
Learned to use the quote button already, huh?
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