Holley 558-455 EFI Transmission Control Harness - 2009+ GM 4L60For 2009+ GM 4L60 Part Number: 558 455 Expanding our transmission control options for our EFI systems, this harness provides plug and play for 2009+ GM 4L60 transmissions using a Dominator. This also contains an internal turbine speed sensor, which was not on the previous models. Additionally, the valve body range selector is wired and controlled differently from the ECU. Features and Benefits Plug and play fully terminated harness Made for Dominator
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product description
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For 2009+ GM 4L60
Part Number: 558-455
Expanding our transmission control options for our EFI systems, this harness provides plug and play for 2009+ GM 4L60 transmissions using a Dominator. This also contains an internal turbine speed sensor, which was not on the previous models. Additionally, the valve body range selector is wired and controlled differently from the ECU.
Features and Benefits
• 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)
Requires software version 5.0 build 100 or higher and ECU firmware 5.0 build 110 or higher. This product is not compatible with 4WD installations.
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Holley 558-455 EFI Transmission Control Harness - 2009+ GM 4L60