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Vehicle Info NeededHOLLEYPART NUMBER: 510-558-482
558-482 Tremec TKX/TKO Transmission Control Harness for use w/Terminator X Max ECUs on V3 Build 100, EFI V6 Build 300, or Later
$24295
1 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeTKX/TKO
Transmission Control HarnessFits Tremec TKX/TKO Transmission Terminator X Max ECUs on V3 Build 100, EFI V6 Build 300, or Later Plug-and-Play Wire Terminals Fit:
- VSS (Vehicle Speed Sensor)
- Reverse Lockout Switch
- Reverse Light Switch
This Holley 558-482 Transmission Control Harness is a plug-and-play terminated harness to control the inputs and outputs on the Tremec TKX or TKO Transmission.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Wire Harnesses to Complete Your Transmission Swap
Holley Transmission Wiring Harnesses are the solution for a clean, trouble-free late-model transmission swap.
Part TypeWiring Harness
Product LineHolley Transmission Wiring Harnesses
BrandHOLLEY
Package Height3.8
Package Width9.5
Package Length12.7
Weight1.0 PG
TypePlug and Play
QuantitySold individually
Engine Management System Component TypeTransmission Control
Vendor Part Number558-482
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
