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Vehicle Info NeededHOLLEYPART NUMBER: 510-558-480
558-480 T-56 Magnum Transmission Control Harness for use w/Terminator X Max ECUs on V3 Build 100, EFI V6 Build 300, or Later
$24295
3 left in stock
Ships Tomorrow
Lowest Price GuaranteeT-56
Transmission Control HarnessFits T-56 Magnum 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 558-480 Transmission Control Harness is a plug-and-play terminated harness to control the inputs and outputs on the T-56 Magnum 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 Height3.4
Package Width4.4
Package Length7.8
Weight0.8 PG
TypePlug and Play
QuantitySold individually
Engine Management System Component TypeTransmission Control
Vendor Part Number558-480
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
