Description

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.

Features

  • Built in Relay - Must be wired to a switched 12v source.
  • Plug and play with 2009+ GM 4L60E Transmissions

Specifications

BrandHolley EFI
Connector Quantity4
Emission Code5
Grade TypePerformance
Harness ApplicationGM
Harness TypeTransmission
MakeGM
Product TypeTransmission Harness
Sale CategoryTransmission and Drivetrain

Compatibility

  • Universal Part

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.

Features

  • Built in Relay - Must be wired to a switched 12v source.
  • Plug and play with 2009+ GM 4L60E Transmissions
BrandHolley EFI
Connector Quantity4
Emission Code5
Grade TypePerformance
Harness ApplicationGM
Harness TypeTransmission
MakeGM
Product TypeTransmission Harness
Sale CategoryTransmission and Drivetrain
  • Universal Part

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