Plug and Play ECU Harness - Mazdaspeed3


You need engine management but cutting the factory harness is not an option. Keep your warranty intact and your factory harness unmolested with this stealthy harness from ProtegeGarage. These are made to order harnesses which are designed to connect to your factory harness and your ECU seamlessly. Absolutely zero modification of the factory harness is required. Once obtained, the customer can wire in whatever engine management system they see fit to choose for thier car, including but not limited to;

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  • Model: pg

This product was added to our catalog on Saturday 28 June, 2008.