This extension harness is a plug and play solution that extends the Holley Terminator X Max ECU 26 pin J4 (P4) connection.
J4, also referred to as P4, is the 26 pin ECU connector on Holley Dominator ECUs and Terminator X Max ECUs that is used for electronic transmission purposes.
AUTOMOTIVE WIRING PRODUCTS Extension Harnesses meet or exceed the quality of Original Equipment (OE) harnesses:
- Assembled with the same materials found on production engine harnesses.
- Terminals are crimped with production applicators and/or Rennsteig hand tools to exceed pull test requirements.
- Wires are protected with high temperature fiberglass sleeving.
- Assembled in the USA