External voltage regulator for Ford F150?

[SJ.]

I was looking on ebay, at this adjustable voltage regulator.

Is there a cheaper way to get 14.8v~15V out of my stock alternator?

I think there is 3 wires coming out of my alternator, what one is the field wire & ground?

Click to read more...

 

[los33]

Thats a 3rd gen regulator plug.

so i would say the middle wire plugs into the alternator, then the yellow white wire needs constant 12v, that leaves you with green and red wire as a generator communicator.

Theres never a ground on these plugs.

 

[Boominburban]

New 12V Ford Severe Duty Voltage Regulator D9PZ 10316 A D9PZ10316A Adjustable | eBay

 

[SJ.]

I think that maybe the wrong plug. It is for 1998 F150 4.6L.