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2015 2WD PreRunner: Why did Toyota install a 20A fuse in 4WD slot?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Arkie-Marty, Oct 31, 2015.

  1. Oct 31, 2015 at 3:17 PM
    #1
    Arkie-Marty

    #1
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

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    MODS COMPLETED IN MY TACOMA CAREER (2015 & 2017): WeatherTech Floor Mats, Chrome Nerf Bars, Under Hood LED Lights, Glove Box LED Lights, Cup Holder LED Lights, Center Console LED Lights, LED Bed Lights, Dual USB Port Console Install, 12v Power Outlet in Bed, 12v Power Outlet Under Hood, Gentex 177 Rearview Mirror w/Temp & Compass, @ImMrYo's Rearview Mirror Relocation Bracket Mod, Disable Lock/Unlock Beeps Mod, Under Door Projector/Puddle Lights, Behind Rear Seat Storage LED Lights.
    Was looking for a good power source (using Add-A-Circuit) for my lighted glove box mod project. Noticed the 20 amp fuse in the 4WD fuse slot. Any ideas what it's powering? It was installed from the factory, truck is new.

     
    Arkie-Marty, Oct 31, 2015
    #1
  2. Oct 31, 2015 at 3:18 PM
    #2
    T4RFTMFW

    #2
    T4RFTMFW Well-Known Member

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    Maybe you have 4x4.
     
    T4RFTMFW, Oct 31, 2015
    #2
    oafMUNN likes this.
  3. Oct 31, 2015 at 3:19 PM
    #3
    Arkie-Marty

    #3
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

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    MODS COMPLETED IN MY TACOMA CAREER (2015 & 2017): WeatherTech Floor Mats, Chrome Nerf Bars, Under Hood LED Lights, Glove Box LED Lights, Cup Holder LED Lights, Center Console LED Lights, LED Bed Lights, Dual USB Port Console Install, 12v Power Outlet in Bed, 12v Power Outlet Under Hood, Gentex 177 Rearview Mirror w/Temp & Compass, @ImMrYo's Rearview Mirror Relocation Bracket Mod, Disable Lock/Unlock Beeps Mod, Under Door Projector/Puddle Lights, Behind Rear Seat Storage LED Lights.
    Not.
     
    Arkie-Marty, Oct 31, 2015
    #3
  4. Oct 31, 2015 at 3:54 PM
    #4
    KenLyns

    #4
    KenLyns 8.75" Third Member

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    KenLyns, Oct 31, 2015
    #4
    Arkie-Marty[OP] and PSU Taco85 like this.
  5. Nov 1, 2015 at 11:26 AM
    #5
    Arkie-Marty

    #5
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

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    Arkie-Marty, Nov 1, 2015
    #5
  6. Nov 1, 2015 at 11:30 AM
    #6
    zeekevin

    #6
    zeekevin Well-Known Member

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    its powering nothing if you dont have that feature. It seems odd but its a cost saving thing with a lot of manufactures to make the process easier by having the wiring and decals the same for all the models. vs having multiple harnesses and decals and ect ect
     
    zeekevin, Nov 1, 2015
    #6
    Arkie-Marty[OP] likes this.
  7. Nov 1, 2015 at 12:09 PM
    #7
    KenLyns

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    KenLyns 8.75" Third Member

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    You have the SR5 trim level, so no rear diff lock, right? Your truck probably doesn't have the 4WD ECU so the 20A fuse shouldn't power anything. Pull out the fuse, fire up the truck, and see if you lose any functionality or get any warning lights. :)
     
    KenLyns, Nov 1, 2015
    #7
    Arkie-Marty[QUOTED][OP] likes this.
  8. Nov 1, 2015 at 4:07 PM
    #8
    Arkie-Marty

    #8
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

    Joined:
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    Thanks zeekevin, I'm sure you're correct. I pulled the blank button plug in the 4WD position and there is a wiring harness attached to the back of the plug.
     
    Arkie-Marty, Nov 1, 2015
    #8
  9. Nov 1, 2015 at 4:10 PM
    #9
    Arkie-Marty

    #9
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

    Joined:
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    Vehicle:
    2017 4x4 Sport DCSB, Magnetic Gray
    MODS COMPLETED IN MY TACOMA CAREER (2015 & 2017): WeatherTech Floor Mats, Chrome Nerf Bars, Under Hood LED Lights, Glove Box LED Lights, Cup Holder LED Lights, Center Console LED Lights, LED Bed Lights, Dual USB Port Console Install, 12v Power Outlet in Bed, 12v Power Outlet Under Hood, Gentex 177 Rearview Mirror w/Temp & Compass, @ImMrYo's Rearview Mirror Relocation Bracket Mod, Disable Lock/Unlock Beeps Mod, Under Door Projector/Puddle Lights, Behind Rear Seat Storage LED Lights.
    Yes, SR5 trim. I had considered pulling it and cranking it up....but I was skeert! Lol! My first NEW truck in 30 years, guess I'm a bit paranoid.
     
    Arkie-Marty, Nov 1, 2015
    #9
  10. Nov 1, 2015 at 5:56 PM
    #10
    KenLyns

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    KenLyns 8.75" Third Member

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    ^As far as I can tell all US Tacoma trim levels 2009-2015 use the same junction box assy (which includes all the fuses on it), P/N 82730-04052.
     
    KenLyns, Nov 1, 2015
    #10
    Arkie-Marty[OP] likes this.
  11. Nov 1, 2015 at 7:00 PM
    #11
    Arkie-Marty

    #11
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

    Joined:
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    Gender:
    Male
    First Name:
    Marty
    Searcy, Arkansas
    Vehicle:
    2017 4x4 Sport DCSB, Magnetic Gray
    MODS COMPLETED IN MY TACOMA CAREER (2015 & 2017): WeatherTech Floor Mats, Chrome Nerf Bars, Under Hood LED Lights, Glove Box LED Lights, Cup Holder LED Lights, Center Console LED Lights, LED Bed Lights, Dual USB Port Console Install, 12v Power Outlet in Bed, 12v Power Outlet Under Hood, Gentex 177 Rearview Mirror w/Temp & Compass, @ImMrYo's Rearview Mirror Relocation Bracket Mod, Disable Lock/Unlock Beeps Mod, Under Door Projector/Puddle Lights, Behind Rear Seat Storage LED Lights.
    Thanks guys, I appreciate your input. :thumbsup:
     
    Arkie-Marty, Nov 1, 2015
    #11
  12. Nov 1, 2015 at 7:08 PM
    #12
    Pigpen

    #12
    Pigpen My truck is never clean

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    Access cab with child seat in the back, yellow wire mod, diff breather relocated to tail light, engine block heater, Leer topper with Yakima tracks and rack, Yakima rack on cab, Ride Rite air bags with Daystar cradles, CBI hidden front hitch, wired for winch front and rear Warn quick connect, Warn x8000i on external carrier, sway bar delete, trailer plug relocated to under bumper, Pelfreybilt IFS and Mid skids, BAMF Tcase skid, ECGS front diff bushing, ARB CKMA12 compressor, 255/85/16 Backcountry MT 3 load E tires on stock steel rims, Toyo M55 tires (same size) on another set of stock steelies, Up2NoGood heated mirror kit, Husky X-act Contour front floor liners, Northstar AGM 24F battery under the hood, Northstar 27F in the cab, Redarc 25 amp DC to DC charger, Pelfreybilt bolt on sliders with kickout and top plates, TRD Pro headlights, Depo smoked tail lights, Energy suspension body mount bushing kit, OME Dakar leaf packs with AAL, OME rear shocks, OME 90021 front shocks with 885 coils, SPC LR UCAs, Up2NoGood 2wd low range mod, 4 Wheel Campers Grandby slide in camper, 4xinnovations high clearance rear bumper, Uniclutch 800 lb/ft clutch
    It's to make the swap easier when you realize you should have bought a 4x4 :boink:
     
    Pigpen, Nov 1, 2015
    #12
  13. Nov 1, 2015 at 7:20 PM
    #13
    Arkie-Marty

    #13
    Arkie-Marty [OP] I'm not a real DIY expert, I just play one on TW.

    Joined:
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    Member:
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    Messages:
    105
    Gender:
    Male
    First Name:
    Marty
    Searcy, Arkansas
    Vehicle:
    2017 4x4 Sport DCSB, Magnetic Gray
    MODS COMPLETED IN MY TACOMA CAREER (2015 & 2017): WeatherTech Floor Mats, Chrome Nerf Bars, Under Hood LED Lights, Glove Box LED Lights, Cup Holder LED Lights, Center Console LED Lights, LED Bed Lights, Dual USB Port Console Install, 12v Power Outlet in Bed, 12v Power Outlet Under Hood, Gentex 177 Rearview Mirror w/Temp & Compass, @ImMrYo's Rearview Mirror Relocation Bracket Mod, Disable Lock/Unlock Beeps Mod, Under Door Projector/Puddle Lights, Behind Rear Seat Storage LED Lights.
    :duel: I think I'm gonna like it around here. :cheers:
     
    Arkie-Marty, Nov 1, 2015
    #13
  14. Nov 1, 2015 at 7:26 PM
    #14
    Pigpen

    #14
    Pigpen My truck is never clean

    Joined:
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    Messages:
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    Gender:
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    First Name:
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    Northwest Montana
    Vehicle:
    2012 AC Manual 4.0 4x4 Base Model
    Access cab with child seat in the back, yellow wire mod, diff breather relocated to tail light, engine block heater, Leer topper with Yakima tracks and rack, Yakima rack on cab, Ride Rite air bags with Daystar cradles, CBI hidden front hitch, wired for winch front and rear Warn quick connect, Warn x8000i on external carrier, sway bar delete, trailer plug relocated to under bumper, Pelfreybilt IFS and Mid skids, BAMF Tcase skid, ECGS front diff bushing, ARB CKMA12 compressor, 255/85/16 Backcountry MT 3 load E tires on stock steel rims, Toyo M55 tires (same size) on another set of stock steelies, Up2NoGood heated mirror kit, Husky X-act Contour front floor liners, Northstar AGM 24F battery under the hood, Northstar 27F in the cab, Redarc 25 amp DC to DC charger, Pelfreybilt bolt on sliders with kickout and top plates, TRD Pro headlights, Depo smoked tail lights, Energy suspension body mount bushing kit, OME Dakar leaf packs with AAL, OME rear shocks, OME 90021 front shocks with 885 coils, SPC LR UCAs, Up2NoGood 2wd low range mod, 4 Wheel Campers Grandby slide in camper, 4xinnovations high clearance rear bumper, Uniclutch 800 lb/ft clutch
    Welcome to the tribe :drunk::cheers::proposetoast::rasta::wave:
     
    Pigpen, Nov 1, 2015
    #14
    Arkie-Marty[OP] likes this.

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