Originally Posted by retiredcamper47
Just did some checking in the 2013 Super Duty Pickup Dealers manual I have. With the Snowplow Prep Package you get an extra-heavy-duty alternator (200 amp) with the 6.7L Power Stroke diesel engine or heavy-duty alternator (157 amp) with gasoline engine. Minimum required equipment for Snowplow Package includes 157 amp, heavy-duty alternator (6.2L). Optional: Dual alternators 357 amp (6.7L diesel). This is what Ford says.................
You only missed one part. Lariat and up models got the 200A standard. I elected to just leave mine with the standard 200A. Less weight and I don't have a large electrical demand. I do not have the plow package on mine either. Salesman thought I was nuts because it's only $85, but every dually I saw with the plow package sat nose up with minimal weight in the bed, and I didn't want that.
I think Flybob nailed it, there's really no gain going back to the RV with the factory wiring. If duals makes you feel better go for it, but I don't see the need. Now most of the additional lighting being added to trucks is LED anyway and they pull a lot less amps than the old incandescent stuff.