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Holley 558-455 2009+ GM 4L60E Transmission Control Harness

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$406.07

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Holley 558-455 2009+ GM 4L60E Transmission Control Harness

Rock Solid Hitch

Solid hitch with serious strength and clean powder coat, heavy to lift, but installs easy and tows perfectly!!

Great Shipping

Shipping was quick and on time - exactly what I needed for my small-block build - would buy again for sure

Perfect Fit Mats

Weatherbeater mats fit my work truck perfectly. Dropped them in and nothing moves. Truly a great upgrade

Sleek Visors

Window visors look incredible and feel durable, install was simple. Zero wind noise on the highway!

Leveling Success

Leveling kit components were well packed. Instructions lacking, but online videos helped. Rides level now and feels planted.

Found Single Lifters

Found single lifter pairs in stock here when others required full sets, fast shipping got me racing again, hell yeah!!

Desert Series Bumper

Rear bumper upgrade looks better than factory plastic. Install was easy, and functionality is miles ahead. Highly recommended.

Lomax Fitment

Tonneau cover fit is excellent. Clear instructions and a smooth install. Delivery to my door was super convenient

Next Day Turbo

Turbo arrived next morning and matched description. Bolted up cleanly and truck is back to full power.

Legend Grille Guard

Husband’s birthday grille guard is rock solid, looks sharp he loves it so much!!! Thanks again

Shipping Protection Helped

Customer service handled a damaged shipment immediately. Refund was painless. I’ll shop here again.

Easy Exhaust Install

Exhaust system installed in two hours on my first try. Perfect fit and the sound is pure joy.

Description_ASC	Requires software version 5.0 build 100 or higher and ECU firmware 5.0 build 110 or higher
Description_DEF	Automatic Transmission Wiring Harness
Description_DES	2009+ GM 4L60E Transmission Control Harness
Description_EXT	Transmission Control Harness;
Description_INV	GM 4L60 (2009+) TRANS HARNESS
Description_KEY	V5;
Description_FAB	Built in Relay - Must be wired to a switched 12v source.
Description_FAB	Plug and play with 2009+ GM 4L60E Transmissions
Description_SHO	A/TwireHarness
Description_MKT	Expanding on our Transmission Control options from Holley EFI. This new harness 558-455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator ECU. The 2009+ GM 4L60E contains an internal turbine speed sensor, which was not on the previous model year transmissions. Additionally, the valve body range selector is wired and controlled differently from the ECU.
Harness Type	Transmission
Brand	Holley EFI
Emission Code	3, 5
WARNING CA Proposition 65	No
Product Type	Transmission Harness
Harness Application	GM
Make	GM
Length	2.2000
Width	6.6000
Height	10.6000
Weight	1.6000

Holley 558-455 2009+ GM 4L60E Transmission Control Harness

Guaranteed Fitment

Added Value

In-House Experts

Nationwide Delivery

Trusted by Thousands

Rock Solid Hitch

Great Shipping

Perfect Fit Mats

Sleek Visors

Leveling Success

Found Single Lifters

Desert Series Bumper

Lomax Fitment

Next Day Turbo

Legend Grille Guard

Shipping Protection Helped

Easy Exhaust Install

Canada-Wide Shipping

Flexible Payment Options

SECURE CHECKOUT GUARANTEE

EXPERTS STANDING BY

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Holley 558-455 2009+ GM 4L60E Transmission Control Harness

Guaranteed Fitment

Added Value

In-House Experts

Nationwide Delivery

Specifications:

Trusted by Thousands

Rock Solid Hitch

Great Shipping

Perfect Fit Mats

Sleek Visors

Leveling Success

Found Single Lifters

Desert Series Bumper

Lomax Fitment

Next Day Turbo

Legend Grille Guard

Shipping Protection Helped

Easy Exhaust Install

Canada-Wide Shipping

Flexible Payment Options

SECURE CHECKOUT GUARANTEE

EXPERTS STANDING BY

Your cart