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  1. #1

    Question What amp on fuse for a electronic brake controller?

    Hey all,

    I just found an electronic brake controller tucked in under my dash.
    I have a yellow fuse holder in the engine compartment that is sitting on a 16 gauge wire (I think) that goes to the controller and to the brake pedal.

    However, fuse is missing...


    Any recommendations on what size fuse I would use?
    -----------
    Thanks
    Stefan - Beacon, NY

    99 Chevrolet Suburban K1500 LS (My truck)
    5.7L V8
    CarPC, 1.6Ghz Intel Atom, 2GB DDR2 Ram, 250GB Harddrive, GPS, BT, WIFI, OBD2 Reader, 7" Lilliput Touch, 9" Headrest monitors, running Centrafuse.
    348.000 miles

    -Computer Consultant-
    Have any computer problems or questions? Just send me a message and I'll see what I can do :)

  2. #2

    Default

    Start with a 10 amp fuse. 16 gauge wire likes 10 amp fuses.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  3. #3

    Default

    I agree 10 amp for 16 gauge wire. I would trace that wire and see what it feeds before putting the fuse in. If it's feeding the brake controller, you need to upgrade the wire. 12 is the minimum, 10 is better. And you should use a circuit breaker rather than a fuse. 30 amp would be ok with the heavier wiring.
    When you hear hoofbeats, look for horses not zebras.

  4. #4

    Default

    Quote Originally Posted by 2COR517 View Post
    I agree 10 amp for 16 gauge wire. I would trace that wire and see what it feeds before putting the fuse in. If it's feeding the brake controller, you need to upgrade the wire. 12 is the minimum, 10 is better. And you should use a circuit breaker rather than a fuse. 30 amp would be ok with the heavier wiring.
    Zactly. Most controllers use 2 fuses. Usually a 10 amp to run the controller and a 20 - 30 amp to control the trailer brakes.

  5. #5

    Default

    Quote Originally Posted by Jimmiee View Post
    Zactly. Most controllers use 2 fuses. Usually a 10 amp to run the controller and a 20 - 30 amp to control the trailer brakes.
    Well, this is the wiring that I've found:

    Battery
    Inline fuse holder, empty
    splices into two wires, one runs down on the dr side either under the cab or to the pedal area. The second spliced wire runs from the inline fuse and into the firewall on the dr side, right around the master cylinder and under the dash.

    I haven't been able to get down under the dash to trace the wires since I am in a shoulder/arm immobilizer for another week or so. Just sucks since I have a new brush guard, cats etc to install on the truck...

  6. #6

    Default

    Well, hang tight till you can look around and figure it out.

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