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Blue Sea Aux Fuse Block Install

Discussion in '2nd Gen. Tacomas (2005-2015)' started by adamberliner, Aug 16, 2014.

  1. Aug 16, 2014 at 7:02 PM
    #1
    adamberliner

    adamberliner [OP] Member

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    Howdy. Thought I'd share this super simple install for anyone else looking to organize their electrical accessories and clean up their wiring. Thanks to several members of this forum for inspiration.

    I purchased the Blue Sea 6 circuit fuse block with a negative bus, in order to keep all of my wiring as clean as possible. I installed a 100 amp circuit breaker in front of the fuse block.

    I made a mounting bracket out of a small piece of sheet steel. I first bent the steel to fit in the spot just behind the factory fuse block, using the OEM mounting holes above the wheel well. The angle is slightly more than 90 because the mounting location is angled outward just a bit. I used a heavy hammer and a block of wood to bend the steel - not perfect, I know, but cheap, quick, and effective if done carefully. I cut the bracket to size, and drilled holes to mount the bracket to my truck, and also to mount the fuse block and circuit breaker to the bracket.

    [​IMG]

    I cleaned up all the holes and cuts with a file, and then sanded the whole piece smooth. I primed the bracket and then painted it with Rustoleum Gloss Black engine paint.

    [​IMG]

    I installed the fuse block and circuit breaker to the bracket using 3/4" machine screws, with washers and lock nuts.

    [​IMG]

    I attached the completed bracket assembly to the truck using the OEM mounting holes. (The OEM holes accept M8 1.25x25mm screws).

    [​IMG]

    Next up was the wiring. I measured and cut 4AWG wire, and crimped and soldered on copper ring terminals. These all got heat shrink tubing, and I used red electrical tape to denote the positive leads. Then it is simply a matter of wiring it all up. Run a wire from the positive battery terminal to a terminal on the circuit breaker. Run another wire from the other post on the circuit breaker to the positive post on the fuse block. Finally, ground the fuse block by running a wire from the negative post on the fuse block to the frame (I used the same bolt as the battery ground). (This is only necessary if you are choosing to run a fuse block with a ground bus, as I am). I ran two of the wires underneath my mounting bracket to keep things neat.

    [​IMG]

    Only had time today to pug in my bed lights to this, but it will be almost full once I get around to moving some other wiring to this block.

    [​IMG]

    [​IMG]

    [​IMG]
     
    mattgecko likes this.
  2. Aug 16, 2014 at 7:17 PM
    #2
    medic2230

    medic2230 Ditch Doctor

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    Nice well done write up!

    Great job! Welcome to TW!
     
  3. Aug 16, 2014 at 7:23 PM
    #3
    Kolunatic

    Kolunatic dont tread on me!

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    Nice work!
    Thanks for the posts.
     
  4. Jun 8, 2015 at 9:48 AM
    #4
    2015TRD4X4

    2015TRD4X4 Well-Known Member

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    looks good! do you just have the box hooked up to the battery straight up so its always live? or did you tag it into the ignition power?
     
  5. Jun 9, 2015 at 1:03 PM
    #5
    adamberliner

    adamberliner [OP] Member

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    No the fuse box is run straight from the battery, with a circuit breaker in between. If I wanted to kill the power to the block for any reason or prevent accessories from drawing down my battery, I could easily flip the breaker off. Eventually I'd like a second battery in there, but for now, I want to be able to run some low amp accessories (LED bed lights, outside lighting, etc) while I camp without running my engine. Would not be hard to have this be switched to your ignition though.
     
  6. Jun 9, 2015 at 1:12 PM
    #6
    BassMaster06

    BassMaster06 VA ○ ES ○ SC

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    Meh
    What circuit breaker did u use? Got a link? Nice job
     
  7. Jun 9, 2015 at 1:39 PM
    #7
    2015TRD4X4

    2015TRD4X4 Well-Known Member

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    OK yeah that's what I ended up doing myself IMG_20150608_173326004_HDR.jpg
     
  8. Jun 9, 2015 at 1:46 PM
    #8
    adamberliner

    adamberliner [OP] Member

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  9. Jun 9, 2015 at 2:18 PM
    #9
    2015TRD4X4

    2015TRD4X4 Well-Known Member

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    Last edited: Jun 9, 2015
  10. Jun 9, 2015 at 2:35 PM
    #10
    adamberliner

    adamberliner [OP] Member

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    Cool! Might just have to order one (or make one up myself) to fit some new relays I've messily jammed in there since the original install.
     
  11. Jun 9, 2015 at 5:03 PM
    #11
    2015TRD4X4

    2015TRD4X4 Well-Known Member

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    Yeah haven't got my wire harnesses with my relays hooked up yet. I'll see what I end up doing with them then i all repost
     
  12. Jun 22, 2015 at 6:36 PM
    #12
    baurat88

    baurat88 Well-Known Member

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    nice install in just got my plate from Ze as well. What kind of bolt did you use to mount the breaker and the fuse block? and Size and did you use a lock washer and bolt underneath? excited to mount it. Just wanna get the right bolt sizes Thanks!
     
  13. Jun 22, 2015 at 6:41 PM
    #13
    2015TRD4X4

    2015TRD4X4 Well-Known Member

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    The fuse box I just pre drilled through the aluminum then used short metal screws that hold perfectly. The breaker I used extra bolts I had laying around. No lock washers just lock nuts. With the plastic
     
  14. Jun 22, 2015 at 6:45 PM
    #14
    baurat88

    baurat88 Well-Known Member

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    oh ok the nylon washers. Do you know what size by any chance? I wanna head over to home depot now to pick some up. If not no worries, i'll bring them into the store with me
     
  15. Jun 22, 2015 at 7:11 PM
    #15
    2015TRD4X4

    2015TRD4X4 Well-Known Member

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    Yeah off hand I don't know I'm sorry :(
     
  16. Jun 22, 2015 at 7:22 PM
    #16
    09 Redneck

    09 Redneck Reaper

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  17. Jun 22, 2015 at 8:52 PM
    #17
    baurat88

    baurat88 Well-Known Member

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    all good i just got back frome home depot. The breaker i used 1/4 x 1 inch long screws with matching nuts, blue sea fuse block i bought #8 3/4 long screws with nuts. Just drilled them in. perfect fit
     
  18. Jun 24, 2015 at 12:36 AM
    #18
    Midship909

    Midship909 Well-Known Member

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    Where did you purchase your fuse block and breaker. Great write up
     
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