Should I upgrade my wiring?

[smb3d 10+ year member]

I just put a new system in my 98 maxima with a pioneer P800PRS hu, and a JL 12W6V2 sub powered by an alpine mrp-m500 amp. Ive got 4ga wiring running to the trunk and i did a big 1 outta 3 by running a new 4ga ground from the battery to the chassis. I hoped the stock bose speakers would sound decent enough for a while, but I couldn't stand it any longer, so I ordered an Alpine PDX-4.100 and some new component sets. Will the 4ga be enough for both amps, or should I run some 0ga to replace the 4ga going to the trunk.

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[darkhunter139 10+ year member]

How many amps total are the fuses on the two amps?

And how many watts you running all together

 

[JUHL 10+ year member]

your wiring should be fine...

 

[smb3d 10+ year member]

How many amps total are the fuses on the two amps?
And how many watts you running all together

120 total amps, and 900 watts total. I have a 100 amp fuse at the battery now, so i'll put a 120 in there and i should be good.

 

[endofdays89 5,000+ posts]

yep, 4 gauge is perfect for your setup. Upgrading wouldn't make a noticable difference.

 

[sdmtnbiker420 10+ year member]

you can use the bose speaker wiring as long as you bypass the stock amp(s). It's actually pretty good wiring, i am running 100 rms/250 peak to each speaker (components up front coaxials in rear) with no complaints

 

[goldmax99 10+ year member]

I'm running 70 rms and it's also fine on a bose 95 maxima. I used 4 gauge for a 700 rms amp as well. I am getting some dimming though when the sub hits hard.

 

[99grandprixGT 5,000+ posts]

ya if you ever up grade your equipment than, then id chagne out to 1/0

 

[nate2587 10+ year member]

yes upgrade

 

[DidUHearThat? 10+ year member]

4 gauge is fine for what your suggesting. Finish the Big3.