Battery Relocation: What size breaker?

Post by **NafemanNathan** » Fri Jun 22, 2018 6:34 pm

So I'm going to relocate the battery in the 5th gen. The only thing I plan on doing different this time is putting in a breaker in-line, close to the battery.

What size should I go for? I will be using the same 50mm2 (0 AWG) that I used in the 4th gen and there's no stereo.

YouTube · Post by **Sailor** » Fri Jun 22, 2018 8:58 pm

If I remember correctly, 0awg is good for power transmission to 150A and 200+ for chassis wiring. The starter motor will take most of that (or all? does anyone know?), so I guess you'd need at least 150A plus a safety factor. 200A minimum?

[Disclaimer: not really my area of expertise ...]

Post by **RattyMcClelland** » Fri Jun 22, 2018 10:24 pm

The fuse or breaker is to protect the wire. Nothing else. I use 150a on both ends of the cable.

Post by **NafemanNathan** » Fri Jun 22, 2018 11:34 pm

OK cool. I had been looking at 150 ones.

Ratty, why would you need one at each end? (Genuine interest)

Post by **RattyMcClelland** » Sat Jun 23, 2018 7:32 am

NafemanNathan wrote:OK cool. I had been looking at 150 ones.

Ratty, why would you need one at each end? (Genuine interest)

It's 2 way. Battery provides power to the starter and and alternator provides power to the battery. I should say mine goes to a fuse in the engine bay which then splits to the starter, fuse box etc

Post by **lewd lude lover** » Sat Jun 23, 2018 10:30 am

Rich used one 100a next to battery and disdained the 0 awg cable I gave him for the job and used 25mm2 throughout.

Post by **NafemanNathan** » Sat Jun 23, 2018 11:19 am

I've already got the 0AWG, so I'll be using that again.

Post by **RattyMcClelland** » Sat Jun 23, 2018 11:43 am

I used 0awg because I had loads of it. However 4awg would be more than adequate and lighter.

Post by **lewd lude lover** » Sun Jun 24, 2018 1:33 pm

Yeah, he didnt like it being so thick, it would route neatly. iv still got the 0awg cable hanging around somewhere. lol. it never found a home.

Post by **NafemanNathan** » Sun Jun 24, 2018 2:40 pm

I had no trouble routing my 0AWG on the 4th gen.