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Posted: 2/14/2006 8:38:40 AM EDT
[#1]
1: A second battery
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Posted: 2/14/2006 8:40:48 AM EDT
[#2]
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Posted: 2/14/2006 8:45:04 AM EDT
[#3]
Well, the second battery is good.
You also need a wiring harness, and some way to mount it. I don't know how much room you've got under the hood, but sometimes you want to replace both batteries so that you can mount them sideways. |
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Posted: 2/14/2006 8:46:37 AM EDT
[#4]
And if you're going to use the second battery to run accessory systems then you would want an isolator module so that you don't accidently run the main battery down.
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Posted: 2/14/2006 9:23:32 AM EDT
[#5]
I know I need second battery
 What is the best kind of Isolator is the best? What size of welding cable should I use? I understand welding cable is less expensive than battery cables. |
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Posted: 2/14/2006 9:32:24 AM EDT
[#6]
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Posted: 2/14/2006 9:44:22 AM EDT
[#7]
I've got dual Optima Red tops in my 99'
I found a 98' that had dual batteries, but was out of commission. I removed the bettery tray and installed it in mine. I bought a 4 gauge wire and connected the two, grounded the second battery on one of the mounting bolts for my alternator. No isolator, just wired in parallel. I tested the starting ability of each while the other was disconnected. Each operated like a dream. I haven't had any starting troubles in over 2 years now. |
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