1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Fog switch replacement

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Fizziculjor, May 3, 2024.

  1. May 3, 2024 at 6:27 PM
    #1
    Fizziculjor

    Fizziculjor [OP] New Member

    Joined:
    May 3, 2024
    Member:
    #449095
    Messages:
    2
    Gender:
    Male
    2015 tacoma.

    Replacing the stock fog light switch with an oem one. I have headlights with a light bar on the inside and grill lights that are tapped into the running lights. We replaced the fog light switch and re wired the new harness. Now the grill lights and light bar inside the high lights won't energize.

    Tested all the fuses and relays and everything has power.

    Anyone have ideas?
     
  2. May 3, 2024 at 6:36 PM
    #2
    CraigF

    CraigF Well-Known Member

    Joined:
    Jun 21, 2020
    Member:
    #332105
    Messages:
    1,819
    Gender:
    Male
    First Name:
    Craig
    Oak Grove, OR
    Vehicle:
    06 AC PR OR 4.0L
    none yet
    light bar probably pulled to much current and fried your electrical system
     
  3. May 3, 2024 at 6:55 PM
    #3
    Dm93

    Dm93 Test Don't Guess

    Joined:
    Mar 3, 2015
    Member:
    #150066
    Messages:
    13,697
    Gender:
    Male
    Texas
    Vehicle:
    2014 DC OR 6spd 4x4
    Predator tube steps, Ranch Hand grill guard, Magnaflow CatBack exhaust, Toyota tool box & bed mat, 2LO Module by @Up2NoGood, Rearview Compass/Temp Mirror, Tune by @JustDSM.
    Fog lights are a very simple circuit.

    Control Power is supplied to Pin 1 (Red/Black) of FR FOG Relay in the underhood auxiliary fuse box from the H-LP RH-LO (Right Low Beam Headlight) Fuse (10A) in the underhood main fuse box.
    Control Ground comes from Pin (Blue) of the Fog Light Switch to Pin 2 (Blue) of the FR FOG Relay
    Load Power comes from the FR FOG Fuse (15A) in the underhood main fuse box to Pin 5 (Green) of the FR FOG Relay
    The FR FOG Relay outputs Power on Pin 3 (Light Green) to Pin 25 (Light Green) of Junction Connector 2A under the underhood main fuse box and is output on Pins 23 & 24 (Light Green) to Pin 2 (Light Green) of the Fog Light Connectors.

    Ground to the Fog Light connectors comes from Ground Points EA and EB under the hood to Pin 1 (White/Black) of the Fog Light connectors.

    2014 Fog Light Wiring.jpg

    2014 Engine Room Fuse Box.jpg

    2014 Engine Room Aux Fuse Box.jpg
     
    GilbertOz likes this.
  4. May 3, 2024 at 6:57 PM
    #4
    JAGCanada

    JAGCanada Well-Known Member

    Joined:
    Oct 25, 2011
    Member:
    #65834
    Messages:
    586
    Gender:
    Male
    Canada
    Vehicle:
    2010 TRD Sport V6 Auto Double Cab MGM
    If there is power and the relay works, then you have wired something incorrectly. Load up a sketch of how you wired it.
     
  5. May 3, 2024 at 7:04 PM
    #5
    Fizziculjor

    Fizziculjor [OP] New Member

    Joined:
    May 3, 2024
    Member:
    #449095
    Messages:
    2
    Gender:
    Male
    Light bar is independent switch. The light bar inside of The headlight is just for the DRL. nothing got fried and everything works
     

Products Discussed in

To Top