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Old 05-15-2019, 05:45 AM   #1
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Battery Disconnect for Dual Battery Diesel PU

We just purchased a diesel pickup and set it up to tow. It has two batteries.

Has anyone installed battery disconnects for this configuration?

2012 A.C.E EVO 29.2
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Old 05-15-2019, 06:10 AM   #2
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Originally Posted by SillyAnn View Post
We just purchased a diesel pickup and set it up to tow. It has two batteries.

Has anyone installed battery disconnects for this configuration?

Why? Battery disconnects between the 2 truck batteries or what? What are you wanting to accomplish?
2011 GMC Sierra 3500HD dually gas 6.0

2006 Lakota 29RKT
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Old 05-15-2019, 06:48 AM   #3
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I think your in the wrong forum.

If you want to flat tow this truck behind a MH, you should post in toads and towing.
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Old 05-15-2019, 08:16 AM   #4
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Are you towing the new truck or towing WITH the new truck?

If you want a disconnect on the batteries you can usually do just one or you can do two, your choice. Most dual batteries have one battery with a cable that connects the positives together. You can put a disconnect on each positive or just one on the side that is feeding the entire truck.

What truck is it?
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Old 05-22-2019, 09:21 PM   #5
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Our Ford SD won't start with one battery.....diesel's draw lots of amps to overcome the high compression.

What are you trying to accomplish? Confused.
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Old 05-22-2019, 10:52 PM   #6
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Have you tried just pulling the IOD fuse (Ignition Off Draw)??
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battery, battery disconnect, diesel

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