Marios_98z

So my lights flicker so I decide I'd switch out the alt for the truck 145 amp my question is it necessary to run a second wire to the battery if so what size wire should I use?

sjsingle1

iTrader: (1)

the BIG 3 is always a good idea.....even with stock alt

ranman02ta

i did not, and it work without a issue.

Marios_98z

Did a bit of reading up on this doesn't sound like a bad idea!!

ranman02ta

I found a KG3 alt on line. bolted right up and changed the single wire that clips on to it.

fixed the pulsating lights for 2000 miles now

sjsingle1

iTrader: (1)

i am sure there is a write up on here somewhere........

Marios_98z

There is plenty of write up but everyone does it there own way!! I guess I will too!!!

jlcustomz

I swapped my F-body alt to the 145 amp truck type last year. No complaints, had to notch a spot in my custom made brackets. In my ls1 swap back in 02', I ran a 2nd wire from alt to battery. Recently read somewhere this isn,t the best idea???

youcancallme29

Not that its a bad idea, its just that its pointless to have two wires IN MY OPINION when youve upgraded to the bigger gauge wires it just clutters the engine compartment. Some people will do it differently as long as it is upgraded there is no wrong way.

Floorman279

iTrader: (11)

all i did was get a remy 145 amp truck one from advance auto.....didnt do anything else.....lights no longer flickered

beyonddisturbed

iTrader: (5)

i replaced my battery wiring with the big 3 from innovative wiring and added a 145 amp alt i picked up from a salvage yard. the wires are perfect length. eliminated all my electrical problems ie flickering, dropping voltage at WOT and she never drops below 13 v.