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    Re-doing constant power wire for HU

    Today im gonna get a 10g wiring kit from work and use it to power my HU... Should i also use 10g wire for the ground and ground it straight to the battery? Right now i have it grounded to the frame behind the radio and thats working pretty good. I just want to avoid ground loops and get a clean 14 volts to it. The factory constant has like 3 strands of copper



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    Re: Re-doing constant power wire for HU

    I have a 10 awg lead coming into my car direct from the battery for HU constant, Roof mount constant, As well as anything else i wanna hardwire. I then have a 6 in / out dist block mounted behind my glove box to make wiring things up that much easier. So i personally dont see anything wrong with that. However, I dont see a need to run a dedicated ground, Unless your having groundloop problem's. Then again im no expert.



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    Re: Re-doing constant power wire for HU

    i have 10 gauge to the frame from my hu,works fine,no noises



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    Re: Re-doing constant power wire for HU

    Would it matter being that the wire off the factory harness is still thin as hell?



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    Re: Re-doing constant power wire for HU

    no, bigger wire is less resistance so it will flow thru there instead of the tiny factory shiz



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    Re: Re-doing constant power wire for HU

    Quote Originally Posted by jco1385 View Post
    no, bigger wire is less resistance so it will flow thru there instead of the tiny factory shiz
    i think thats what happened to my 9825,running power wire to the factory harness.in all my times hooking up hu's,this was the only time i did this,and the last time.running high power hu's off of the factory harness is a no no imo.in the past,running wire straight to the battery with in line fuse,and ground wire to frame allways seem to work best.



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    Re: Re-doing constant power wire for HU

    Quote Originally Posted by Got Bass ? View Post
    i think thats what happened to my 9825,running power wire to the factory harness.in all my times hooking up hu's,this was the only time i did this,and the last time.running high power hu's off of the factory harness is a no no imo.in the past,running wire straight to the battery with in line fuse,and ground wire to frame allways seem to work best.
    yep, you don't have to worry about wtf else is on that same circuit from the factory. wire that **** up like an amp. straight from the source, properly fused.



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    Re: Re-doing constant power wire for HU

    Quote Originally Posted by TurdFergueson2 View Post
    Would it matter being that the wire off the factory harness is still thin as hell?
    Ground i assume? I never use the groud from the factory harness. Theres always a decent peice of metal behind the dash that i use to ground my headunit.



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    Re: Re-doing constant power wire for HU

    What should i fuse it for? 10a? 20a? I think the 10g kits come with a 30a regular 2 prong fuse in them. But the radio should pull no more than 10a right


    Let me make sure im checking the ground correctly. This is what i do before i ground something :

    Clean the surface, then run a wire from the batt neg terminal to my neg lead on my multimeter, touch pos lead to grounding point, and check resistance. I got a .3 ohms reading at the ground i picked. This is the proper way to do it right?



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