need help running power cables for amps. - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 09-24-2005
maine_2003fx4's Avatar
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need help running power cables for amps.

Tomorrow I am going to throw in my amps and subs but wanted to know if anyone knew the best place to run the power cable from the battery to the rear (2003 ext cab 4 door fx4). It was pretty easy with my old 89 becouse the battery was on the passenger side but with my new pickup its on the left..

If anyone know of a hole already in the firewall please give me a shoot. And how do i get my door sile trim up without breaking it...

thanks..
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Old 09-24-2005
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I ran 4g from battery, right along fenderwell, through firewall (there's plenty of space to get in a drill a nice hole or 2 out), under bottom door moulding, mine comes up really easy, pops out with some force, the 4g can sit under the moulding behind the clips. I took it the whole way to the rear of the ext cab, around the back of my system box and to my amp. It's easier than you'll expect. Actually now, my 4g that i first put in is my ground and I put a 0g in under the cab and drilled a hole for that where one of the jumpseats were.

I've taken my door trim off at least 10 times, it still fits perfectly and never broke a clip or anything.
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Old 09-24-2005
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thanks. In my old ranger everything was screwed down so i didnt know how the door sills came up... and if i would hit anything drilling throw the firewall. I wil give it a shot tommorrow i need to run 4 gauge and run some other stuff like turn-on leads and my rca cables... so that for you help

Its kinda hard with a new truck i dont want to break anything. I guess i will just take it slow.
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Old 09-24-2005
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I understand.
I have an 01 so everything should be the same. I found a large spot in the firewall to the left of the brake pedal and right above the carpet on the inside. I have 2 holes there with 4g, no problems.
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Old 09-24-2005
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look where the steering column is and theres a huge rubber grommet surrounding it. Just slice that then theres no need to drill anything. Also the door sills just pop up
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Old 09-24-2005
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thanks i will tell ya how it turns out. that is if i can get my stiffening capacitor to work again..
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Old 09-24-2005
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I just dremeled my own hole in the firewall, installed the proper size grommet and ran my 0 awg cable through that. Dabbed a little silicone around it and it's watertight. Total cost about 1.50 for the grommet which any stereo shop should have, and it's done right.
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Old 09-24-2005
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I don't see why anyone is drilling holes unless they used up the rubber grommit. Just pop it out/cut it open, and stick it thru. Then run to sill plate, prop up sill plate with screwdriver and tuck the cable under.

Aaron
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Old 09-24-2005
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Quote:
Originally Posted by 2003stealthedge
look where the steering column is and theres a huge rubber grommet surrounding it. Just slice that then theres no need to drill anything. Also the door sills just pop up

Thats where I ran my 2 Gauge wire through on my old set up.
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Old 09-25-2005
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everything went great. thank you all for your help.. i havent had subs for about 6 months and i missed them alot..
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