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Universal Wiring Harness Loom (21 Circuit) - WK0003

Universal Wiring Harness Loom (21 Circuit) - WK0003

$349.95 AUD
$349.95 AUD
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Whether you’re wiring up a hot rod, freshening up a classic cruiser or building a dedicated race project, the Universal Wiring Harness Loom offers a clean and simplified electrical solution. Designed as a stand-alone system, it provides the essential circuits needed to power core vehicle functions without the complexity of a full factory loom. With twenty-one individually fused circuits and clearly labelled, colour-coded wiring printed every few inches (such as “RADIO” and “BRAKE LIGHT”), this harness is engineered to simplify installation while supporting a fully equipped vehicle build.

  • 21 Individually Fused Circuits: Provides ample capacity to run a complete modernised vehicle electrical system.

  • Pre-Wired H4 Headlight Plugs: Includes two headlight connectors ready for installation.

  • GM Steering Column Plug: Supplied with a pre-wired connector to suit common GM-style steering columns, widely used in hot rods and custom builds.

  • Alternator & Ignition Compatibility: Includes connectors for internally regulated alternators such as GM 10-SI and 12-SI types.

  • Pre-Wired Relays & Flashers: Features relays for horn and electric fan operation, plus indicator and hazard flasher cans.

  • Comprehensive Hardware Bundle: Includes assorted terminals, rubber firewall grommets and cable ties to assist with a clean, professional install.

  • Circuit Coverage: 

Ignition Coil

Fuel Pump

Electric Fan

Alternator

Headlights (High & Low Beam)

Turn Signals / Indicators

Brake Lights

Park Lights

Hazard Lights

Dome Light

Gauges / Instrument Cluster

Radio (Constant & Accessory Feeds)

Wipers

Horn

Cigar Lighter

Air Conditioning / Heater

Power Windows

Power Door Locks

Cruise Control

Electric Boot Release


If you’re after a straightforward, adaptable wiring solution without unnecessary complexity, the Universal Wiring Harness Loom delivers dependable performance and flexibility for a wide range of custom automotive builds.

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