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Automotive wiring & conversion electronics

WIRING
CONVERSIONS
DONE RIGHT.

Specialist engine conversion wiring, replacement harnesses, conversion modules and ECU/module programming for Holden, GM and LS-based projects.

Search products, vehicles, engines, transmissions, modules, programming and technical information.
LS1 harness 6L80E E38 programming VZ pedal Gear display LSA
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Search the live UCW Store catalogue by product, vehicle, engine, transmission, ECU, module, keyword or compatibility.
Ultimate Conversion Wiring character artwork
What we do

BUILT AROUND THE CONVERSION

Customers who know what they need can search immediately. Customers who want to browse can still enter through the main UCW service areas.

UCW conversion wiring package with protected Ultimate Conversion Wiring logo

Conversion Wiring

Engine conversion, mail-order loom and integration solutions.
UCW VE TR6060 factory replacement engine loom

Replacement Factory Engine Looms

Replacement engine harnesses for Holden and GM applications.
UCW VE SRS/EBCM conversion module and wiring

Conversion Modules

UCW modules for signals, shifters, vehicle functions and drivetrain integration.
GM Development Programming Tool showing successful programming

Programming

ECU, BCM and related module programming and mail-in services.
Search-first architecture

ONE SEARCH. MANY WAYS TO FIND IT.

A product can carry compatibility and keyword data behind the scenes. That means the customer does not need to know which store category you placed it in.

Vehicle: VT, VX, VY, VZ, VE, VF Engine: LS1, L98, LS3, LSA Transmission: 4L60E, 6L80E, 6L90E, TH400 ECU: E38, E67, PCM Function: Tap Shift, Gear Display, VATS, Speed Type: Harness, Module, Programming, Plug
LS1LS2LS3LSALSXV8
Vehicle Security

IGLA / AUTHOR SECURITY

UCW is an authorised IGLA Australia installer in NSW. Explore our vehicle security and immobiliser solutions.

LEARN ABOUT IGLA