Holley EFI - 558-455
Holley EFI Transmission Control Harness - 2009+ GM 4L60
Transmission Control Harness;
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.
- Plug and play fully terminated harness
- Made for Dominator
- Connectors and unterminated wires for easy installation
- Built in Relay (Must be wired to a switched 12V source)
Brand: Holley EFI
Category: Transmission
Connector Quantity: 4
Emission Code: 5
Grade Type: Performance
Harness Application: GM
Harness Type: Transmission
Make: GM
part type: Automatic Transmission Wiring Harness
Product Type: Transmission Harness
Sub Category: Automatic Transmission Components
Warning: California Proposition 65
