These STEDI wiring harness kits make car lighting installation a breeze. There’s a harness or piggyback adapter for any need and for all 4×4 car makes and models. Whether its installing work lights, a light bar or a headlight upgrade, these have you covered.

Plug and play technology means no splicing wires, soldering or messing around. These kits trigger straight from your vehicle’s high beam. The built in microprocessor automatically adapts to both positive or negative switch setups.

Made from high quality materials, featuring thick STEDI switch wiring and waterproof dash mounted buttons. Long wiring looms suit every job. OEM matching ensures a consistent appearance with your cars existing electronics.

HB3 & H4 wiring connects are the most common plugs found in most popular car models. Piggyback adapters are also available if needed.

Order your STEDI wiring harness today and pick up in store from our Perth warehouse, or select express shipping online.

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STEDI 12V 4 PIN RELAY

$9.89

or 4 payments of $2.47 with Afterpay

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STEDI 150MM ASSEMBLED DEUTSCH DT WITH WIRE TAILS

$11.99

or 4 payments of $3.00 with Afterpay

STEDI 150mm Deutsch DTP with Wire Tails
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STEDI 150MM ASSEMBLED DEUTSCH DTP WITH WIRE TAILS

$11.99

or 4 payments of $3.00 with Afterpay

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STEDI 150MM DT-P TO DT REDUCER
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STEDI 150MM DT-P TO DT REDUCER

$14.50

or 4 payments of $3.63 with Afterpay

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STEDI 2 TO 1 DEUTSCH CONNECTOR / SPLITTER | 2 LIGHTS WITH WIRING HARNESS 1.5M

$19.99

or 4 payments of $5.00 with Afterpay

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STEDI Wiring Extension Deutsch DT Connector Light Harness
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STEDI 2.0M WIRING EXTENSION CABLE DEUTSCH DT CONNECTOR STEDI LIGHT HARNESS

$19.99

or 4 payments of $5.00 with Afterpay

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STEDI Deutsch DTP Connector Extension Cable
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STEDI 2.0M WIRING EXTENSION CABLE DEUTSCH DTP CONNECTOR STEDI LIGHT HARNESS

$18.00

or 4 payments of $4.50 with Afterpay

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STEDI 24V 4 PIN RELAY

$9.89

or 4 payments of $2.47 with Afterpay

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STEDI DEUTSCH CONNECTORS MALE & FEMALE 2 PIN DT

$10.95

or 4 payments of $2.74 with Afterpay

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STEDI 2 Pin DTP Deutsch Connectors
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STEDI DEUTSCH CONNECTORS MALE & FEMALE 2 PIN DTP

$10.95

or 4 payments of $2.74 with Afterpay

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STEDI FORD RANGER RAPTOR & EVEREST PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI HOLDEN COLORADO RG PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

STEDI Isuzu D-MAX M-UX Piggy Back Adapter
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STEDI ISUZU D-MAX / M-UX (LED MODELS) PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI LED WORK LIGHT WIRING KIT LOOM HARNESS (NOT HIGH BEAM TRIGGERED)

$26.99

or 4 payments of $6.75 with Afterpay

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STEDI MITSUBISHI MQ TRITON HID HEADLIGHT PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI Mitsubishi MR Triton HID Headlight Piggy Back Adapter
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STEDI MITSUBISHI MR TRITON HID HEADLIGHT PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

STEDI Mitsubishi Pajero QE Sport Headlight Piggy Back Adapter
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STEDI MITSUBISHI QE PAJERO SPORT HEADLIGHT PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI NAVARA NP300 HEADLIGHT PIGGY BACK ADAPTER ONLY

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI NISSAN NAVARA NP300 PLUG AND PLAY WIRING HARNESS KIT LOOM

$69.99

or 4 payments of $17.50 with Afterpay

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STEDI H1 Piggy Back Adapter
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STEDI PIGGY BACK ADAPTER H1

$17.99

or 4 payments of $4.50 with Afterpay

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STEDI PIGGY BACK ADAPTER H3

$17.99

or 4 payments of $4.50 with Afterpay

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STEDI PIGGY BACK ADAPTER H4

$17.99

or 4 payments of $4.50 with Afterpay

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STEDI H7 Piggy Back Adapter
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STEDI PIGGY BACK ADAPTER H7

$17.99

or 4 payments of $4.50 with Afterpay

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STEDI Piggy Back Adapter H8/H9/H11
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STEDI PIGGY BACK ADAPTER H8 / H9 / H11

$17.99

or 4 payments of $4.50 with Afterpay

STEDI HB3 Piggyback Adapter
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STEDI PIGGY BACK ADAPTER HB3

$17.99

or 4 payments of $4.50 with Afterpay

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STEDI PLUG AND PLAY HIGH BEAM DRIVING LIGHT WIRING SMART HARNESS™

$59.99

or 4 payments of $15.00 with Afterpay

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STEDI Single Connector High Beam Plug & Play Wiring Harness
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STEDI SINGLE CONNECTOR PLUG & PLAY SMART HARNESS HIGH BEAM DRIVING LIGHT WIRING

$39.99

or 4 payments of $10.00 with Afterpay

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STEDI SUZUKI JIMNY (JB64W/JB74W) PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

STEDI Toyota Fortuner Crusade LED Piggy Back Adapter
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STEDI TOYOTA FORTUNER CRUSADE (LED MODELS) PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI TOYOTA LANDCRUISER 200 SERIES PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

STEDI Toyota Prado 150 Series MY18+ Piggy Back Adapter
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STEDI TOYOTA PRADO 150 SERIES (MY18+) PIGGY BACK ADAPTER

$49.99

or 4 payments of $12.50 with Afterpay

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STEDI VW AMAROK HEADLIGHT PIGGY BACK ADAPTER

$29.99

or 4 payments of $7.50 with Afterpay

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STEDI Wiring Loom for ARB Summit LED Fog Light Upgrade
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STEDI WIRING LOOM FOR ARB SUMMIT LED FOG LIGHT UPGRADE

$49.99

or 4 payments of $12.50 with Afterpay