360 - Fishing wires through front trunk to passenger cabin. | FerrariChat

360 Fishing wires through front trunk to passenger cabin.

Discussion in '360/430' started by vrawlani, Oct 30, 2021.

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  1. vrawlani

    vrawlani Rookie

    Sep 4, 2021
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    Vinay Rawlani
    #1 vrawlani, Oct 30, 2021
    I'm trying to install a new amplifier in my 360. The amp is too large to fit anywhere in the passenger cabin, so I have to place it the front trunk and pass wire through the front firewall. The wire are not small. I have one 4 gauge, two 10 gauge and ten 14 gauge wires. Any thoughts on passing the wires? Thanks!
     
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  2. 24000rpm

    24000rpm F1 Rookie

    Aug 31, 2012
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    China and California
    #2 24000rpm, Oct 30, 2021
    the wire of the cd changer would pass thought the firewall to the cabin, follow that
    also the frunk's fuse boxes's harness are going to the cabin.
     
  3. Qavion

    Qavion F1 World Champ
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    Ian Riddell
    #3 Qavion, Oct 30, 2021
    Last edited: Oct 30, 2021
    The standard wiring harnesses go through a big hole in the centre of the bulkhead. The frunk fuse box harnesses also go through there. The fuse box harnesses snake through a frame section forward of the main bulkhead and over to the big hole in the centre.

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    From the wiring diagrams (harness B)

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    You can see how the fuse box harness (A) joins up with harness B here:

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    Note: I haven't had any practical experience with this. Others may have better ideas.
     
  4. mike32

    mike32 F1 Veteran

    May 13, 2016
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    #4 mike32, Oct 30, 2021
    Borrow a set of fibreglass cable rods from an electrician, or buy a set as cheap enough. They are flexible rods about 6 mm diameter and useful to fit cables into tight spaces.
     
  5. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
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    Greg Calo
    #5 GCalo, Oct 30, 2021
    in the home theater business they are known as "glow" rods

    the best ones are only 3.5 - 4.0 mm in diameter

    some are green fiberglass and some are white

    the thinner ones curve and bend better being thinner and an easier push through tight grommets

    you can also rub candle wax on them a bit, and then they will pass through the grommets with very little resistance
     
  6. vrawlani

    vrawlani Rookie

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    Vinay Rawlani
    #6 vrawlani, Oct 31, 2021
    @GCalo @mike32 @Qavion @24000rpm Thanks to everyone. This is awesome advice. I found the access points and I happened to have the fishing rods because I just did some network wiring at my house. I got the rods through and passed a few wires. However, I realized that I not need to pass 4 RCA pairs instead of 1 so I'm afraid I cannot pass that many wires. I'm thinking I'll put the amps under the seats. I'm trying to figure out what kind of clearance I will have. It's hard to measure. Thanks again!
     
  7. GCalo

    GCalo F1 Veteran

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    #7 GCalo, Oct 31, 2021
    be careful of heat under the seat from the amp

    if you can solder you can pass the wiring and then resolder
     
  8. vrawlani

    vrawlani Rookie

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    Vinay Rawlani
    #8 vrawlani, Oct 31, 2021
    ah, yes. i did ask the amp manufacturer about that and they did not have and recommended distances from the amp to other surface.

    i can solder a wire. there is no way i could solder firewall. i hope you're referring to the former. i didn't think about that
     
  9. mike32

    mike32 F1 Veteran

    May 13, 2016
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    #9 mike32, Nov 1, 2021
    It sure beats a broom handle
     
  10. GCalo

    GCalo F1 Veteran

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    #10 GCalo, Nov 1, 2021
    If you can solder well then you can feed audio coax cable through the rubber grommet and then solder te RCA plugs on both ends

    you could even cut the RCA's off one end of preformed quality cable and then solder RCA's on that other end
     
  11. vrawlani

    vrawlani Rookie

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    Vinay Rawlani
    #11 vrawlani, Nov 2, 2021
    Sweet. I did something similar for my home audio system when I placed wires in the wall. I have a tool that attach the RCA tip if for some reason my soldering is not working.

    Thanks!
     
  12. GCalo

    GCalo F1 Veteran

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    #12 GCalo, Nov 2, 2021
    just take your time

    not a major process

    carefully control the heat on the tip of the RCA jack so the insulation is not heat deformed
     
  13. SoftwareDrone

    SoftwareDrone F1 Veteran
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    Jan 19, 2004
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    #13 SoftwareDrone, Nov 2, 2021
    This should not be a problem. Just run them through the large grommet in the center of the firewall. Poke another hole in it if you have to.
    I'm running six pairs of thick, twisted pair RCA cables and 6 16 gage (amp turn on) wires through the center grommet with no issues.
     
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