Ls3 with holley dominator ecu

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Meyer
Posts: 2
Joined: 26 Oct 2025, 00:09

Ls3 with holley dominator ecu

Post by Meyer »

What wires should go to where?

pin 66 67 on the tcu harness is for what?

Hope anyone has tryed this before
Meyer
Posts: 2
Joined: 26 Oct 2025, 00:09

Re: Ls3 with holley dominator ecu

Post by Meyer »

No help here or?
M4comp
Posts: 97
Joined: 26 Jun 2024, 03:21

Re: Ls3 with holley dominator ecu

Post by M4comp »

No offense as it's unclear but you should find an installer if you're not sure where the wires go.
Your question provided no details on what it is you're asking for other than pin numbers.

CAN2 is to connect to the ECU as noted in the pinout.
https://manual.turbolamik.eu/docs/wiring/pinout/
There are other wire diagrams in the forum if you look.

Yes many have tried the Holley ecu
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