Who sells good quality high output alternators for our trucks? I've just upgraded to a 850 CCA battery and want a bigger alternator to deal with the extra power load my Fisher plow has added.

I think the stock alternator is 110 amps, what can I get to upgrade?

Thanks

 

I got mine from excessive amperage have to email him for current prices. Also use the search there's a few threads on different brands.

 

X2! thats who i got mine through

 

That's good to know! I've been wanting to do the same upgrade and that place is only 10 minutes from where I live. Guess I will have to go check them out.

 

Did you guys upgrade your cables too?

 

yea 0/1 gauge all the way around. It's called the big 3 upgrade if you want to search the audio subforums.

 

since this is sort of an alternator thread, when would you guys recomend upgrading to a h/o alt? so far i have 6 aux lights and a mild amp and sub setup, 4 of the lights are cheap trucker lights so i dont know how much they draw but the other two are k/c 5"x7" spot lights, i think i should be fine, and i dont have the lights on much, but im not sure how to tell if im overdrawing my charging system

 

Try using this calculator. http://www.the12volt.com/ohm/page2.asp Use the line for I=P/E

Add up the number of watts your lights, amp, sub, etc all use. Enter that and the voltage. It will calculate how many Amps your items are drawing. The stock 04-08 alternator (I think) is a 110 amp unit.

This will at least tell you how much of the capacity you're using up with your accessories. Don't forget the truck will eat up a good number of amps operating lighting, heater, engine, etc.

 

is there any way to hook up my multimeter into my truck to read the overal current draw on my truck?

 

yea i used 0/1 guage too and did the big 3, impact i feel like im in your footsteps haha