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3rd Gen running lights circuit grounding problem

Discussion in '3rd Gen 4Runners (1996-2002)' started by Husky Driver, Aug 4, 2022.

  1. Aug 4, 2022 at 2:14 AM
    #1
    Husky Driver

    Husky Driver [OP] Kyna's chauffeur

    Joined:
    May 21, 2014
    Member:
    #140
    Messages:
    79
    Gender:
    Male
    First Name:
    Kipp
    40°35'09.0"N 105°04'38.3"W
    Vehicle:
    2k T4R3 SR5 Highlander Sport TRD
    Toytec Ultimate 3" lift susp w/ OME 891 rear coils, Bilstein 5100 shocks front & 5125 rear, ARB 'Roo Bar, Warn VR10k, 0.7, 2 & 11-meter 2 way radios, Nitrogen inflated 33" BFGoodrich All-Terrain T/A KO2s, FlexFuel E-85 conversion, AFe lifetime filter, Savage Offroad rock sliders, Ryno All Terrain 4.5mm skid plates, Line-X coatings on the armor, LifetimeLED & Rigid Industries LED headlights, UltraGauge 1.2, T3q 4.10 eLocker with armor from LROR, AmsOil lubricants used throughout. CBI plate rear bumper with swingaway, SPC Light Racing UCAs, ARB SS170HF Safari snorkel w/ Afrikaans centrifugal pre-cleaner, Tacoma antenna mod, TRD Supercharger w/ URD 7th inj. & URD pulleys, Anti-Dark engine bay lighting system. Having gone 250k, Aug 2016 was the time to replace the original clutch & get the driver's seat rebuilt/stuffed. Front & back Weathertech liners. Tundra front disc brake swap. Full length Rocky Mountain Rack with 40" lightbar & alternating strobe rear dust lights. I used a warm weekend in March 2022 to finally install my brand new from old stock 2000 4Runner driver's seat. $800 directly from the factory in Sapporo, Hokkaido, Japan.
    I've been having a problem with my running lights/instrument lights/center console lights circuit blowing its fuse from being grounded somewhere. Is this an issue more people are having other than just me? Is this a known problem w/ 3rd Gens after 22+ years on the road?

    All the wires I can get to are intact & not cut, frayed, exposed, etc. I'm pretty sure it's a grounding problem because of how fast the fuses blow (immediately). It's a 10A circuit but it blows 15A, 20A & 25A fuses just as fast as 10A.

    I wanted to ask on here before I start having to cut suspected wires. :notsure:
     
  2. Aug 4, 2022 at 6:45 AM
    #2
    negusm

    negusm New Member

    Joined:
    Oct 22, 2019
    Member:
    #11745
    Messages:
    1,876
    Gender:
    Male
    Vehicle:
    2002 4Runner SR5 4WD
    Backprobe the wires to ground and check them against your wiring diagram. Don't cut wires.
     
    PhantomTweak likes this.

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