-11% Auxiliary Harness, J3 Connector Inputs/Outputs

The Holley Dominator ECU is unique from all of the other Holley ECUs in that it provides a plethora of inputs and outputs that allow you to control virtually any electronic operation on any vehicle. This harness provides plug-and-play access to the Dominator J3 connector, and provides a sufficient length of unterminated wire as well as a connector for a second Wideband O2 sensor.

Here are the signals available on J3:

PinFunction
A1Input #6 (52THG)
A2Input #10 (52THG)
A3Input #14 (5G)
A4Input #18 (FS)
A5Input #21 (5HG)
A6Input #25 (5HG)
A7WB2 COMPR2
A8WB2 Shield
A9WB2 HTR -
A10Input #5 (52THG)
A11Input #9 (52HG)
A12Input #13 (5G)
A13Input #17 (FS)
A14Input #20 (5HG)
A15Input #24 (5HG)
A16WB2 COMPR1
A17WB2 VS-/IP+
A18Sensor Ground
A19Input #8 (52THG)
A20Input #12 (5G)
A21Input #16 (FS)
A22Speed Inputs Ground
A23Input #23 (5HG)
A24Input #27 (5HG)
A25WB2 VS+
A26Sensor +5v
A27Input #7 (52THG)
A28Input #11 (52THG)
A29Input #15 (5G)
A30Input #19 (FS)
A31Input #22 (5HG)
A32Input #32 (5HG)
A33WB2 IP+
A34WB2 HTR +

Not Sure? Review this product documentation before you buy!

 
Wiring Diagrams for
Holley ECU's and Harnesses

Harnesses
Harness TypeAuxiliary Harness (Customizable Inputs and Outputs)
TerminatedYes
General
ApplicationUniversal
Unit of SaleEach

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Auxiliary Harness, J3 Connector Inputs/Outputs

  • Views: 16767
  • Brand: Holley EFI
  • Product Code: 558-403
  • Availability: In Stock
  • $182.95
  • $161.95
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