Alternator option

10

Asked by Apr 04, 2016 at 07:26 PM about the Dodge Ram 2500

Question type: Car Customization

Ordering a new 2500 diesel to tow my 36 ft 5th wheel.  I have options to replace
original alternator with a 220 amp, 2 220 amps for 440 amps or add 1 220 amp
for 380 amps.

What should I do? I have no clue why the choices and can't get answers.

7 Answers

10

My question now is why? What is the benifit? Why not 440 amp? Not being an ass..lol. I really don't know. Thanks for your answers and time.

116,475

The only thing I can see is the recharge capability and speed of charging going to the 5th wheel. Do they wire the second alternator strictly for the 5th wheel? Do you know if they are using massive diode protection to prevent feedback from both alternators.

1 people found this helpful.
10

I have no idea yet. No one could even tell me if I would need them or not. They just have no clue at the dealers.

116,475

I would just go with the single 220 amp alternator, that should be enough for the 2 batteries in the truck and 2 batteries in the RV, unless you have went with some massive voltage storage in the RV.

1 people found this helpful.
Best Answer Mark helpful
185

Also remember RV batteries are usually deep cycle you don't want to cook them on fast charges.. Fast charging them shortens there life and you won't get full deep cycle out of them.. Slow is good. Lower amps

1 people found this helpful.
10

Thanks all. I will go with the 220 amp alternator.

1 people found this helpful.

The 7 way plug is usually limited to about 10-15A, so that is the max the 5th wheel can get.

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