Electronic Kickdown Wiring Loom Harness (TH400 Auto) Holden HZ - WK1502

Getting the most out of the Holden HZ 5.0L (308) V8 with TH400 Automatic Transmission, including Statesman, relies on a properly functioning kickdown system. The Electronic Kickdown Wiring Loom Harness plays a critical role in ensuring your Turbo 400 transmission downshifts correctly when you put your foot down. Designed to connect the kickdown switch (commonly mounted at the accelerator pedal or carburettor linkage) directly to the transmission, this loom allows automatic downshifting under full throttle — delivering the responsiveness these V8 models are known for.Essential TH400 Kickdown Function: Connects the kickdown switch to the transmission, enabling automatic downshifts at full throttle.Correct TH400 Moulded Transmission Plug: Features the proper factory-style connector to suit the TH400 transmission casing.OEM-Spec Colour Coding: Manufactured using automotive-grade wiring with correct factory colour codes for accurate installation and authenticity.Durable Protective Wrap: Finished with non-adhesive protective loom wrapping, matching original equipment standards.Plug-And-Play Installation: Direct replacement built to original specifications — no cutting or modifications required.Improved Reliability: Replaces aged, brittle or heat-damaged wiring that can prevent the transmission from downshifting correctly.For Holden owners running the TH400, the Electronic Kickdown Wiring Loom Harness restores proper kickdown operation and ensures your transmission responds exactly as it should when the throttle hits the floor.