Compression Ignition Addict
Join Date: Feb 2009
Location: Nacogdoches, TX
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Towing has no relation to duals.
Vehicles with many lights, large stereo systems, or ones that idle very often have dual setups. This is because of either the very, very large draw from the various systems, or the fact that, while idling, the alternator is not putting out a lot of power.
So do you just drive it normally, or do you do something very electrically demanding?
Now, unless I'm wrong, the dual alternator package was an option, correct?
And, when you're talking about dual alternators, or batteries for that matter, as long as they are in parallel, there is no primary. Unless I'm wrong again.
2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
330,000 + miles