Alternator
2015 6.7 Lariet do anybody know how many Amps the heavy duty alternator is, and how many Amps it can supply continues. Frank
Forum Discussion
Chum lee wrote:
If your chassis battery is fully charged, expect the alternator output to be a fraction of it's maximum rated capacity until the existing loads drop the charge in the chassis battery.
Partially correct. The actual current (amps) output will be what ever is required to MAINTAIN the desired charging voltage. The point is, within a few minutes of starting the computer adjusts that voltage down to between 13.2V and 13.8V
Chum lee wrote:
Ford engineers designed their charging system that way to improve fuel mileage ...
Not just Ford. Every light and most medium duty vehicles. It has been that way for over 15 years.
Chum lee wrote:
... and to prevent people from doing what they want to do . . . . . charge the batteries in their camper with the chassis alternator.
Slownsy wrote:
Yes I intended to run a heavy cable to rear for charging FW, I know that the is a orange wire with 40A fuse from factory ...
You can still charge your house batteries, but it will require a DC-DC battery charger like from CTEK or Renology. And you won't need to use huge oversized wire to eliminate voltage drop !
