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2009+ GM 4L60E Transmission Control Harness Holley EFI Autoparts

2009+ GM 4L60E Transmission Control Harness

$257.95 - $257.95
$257.95
$257.95 - $257.95
$257.95

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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.

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