Upgraded electrical question.

 

Bronze Member
Username: Domenico

Glendale, AZ USA

Post Number: 49
Registered: Apr-09
I have four 12inch Alpine type r's and need to upgrade my electrical in my car.

Now...i know what i need; big battery, HO alt, big 3.

BUT

I dont know what the big 3 is
I dont know what an HO alt is

SO

Can someone tell me what these are and where i can buy them? Im thinking auto zone, maybe?

THANKS!
 

Gold Member
Username: Subfanatic

Ky

Post Number: 4838
Registered: Dec-04
HO alternators are High Output alternators.

There are a few online places that can send you a brand new one or upgrade your current one.

example is
http://www.highoutputalternator.com/
just type high output alternators in google.

The Big 3 refers to upgrading your Big 3 wires that are part of your electrical system to thicker more conductive wiring.

These 3 wires are as follows.
Battery positive (+) to the alternator
Engine block to chassis ground.
Battery ground(-) to chassis ground.

This can lower the overall resistance of your cars electrical system. Bigger wires means more conductivity, most stock "3" are 8 gauge i recommend at least going to 1 gauge or 0 gauge.
 

Bronze Member
Username: Domenico

Glendale, AZ USA

Post Number: 91
Registered: Apr-09
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