Aftermarket ECU Information
Click HERE to learn more about Aftermarket ECUs, Sensors & Electronics
MUST WATCH! ECU Masters BASE MAP Config Video
If you are running an aftermarket ECU, we can customize your PRO harness to fit your exact build requirements, especially for Sensor connector style and wiring length. Once you have placed your order, check the Order Confirmation Email for a link to complete & submit the Aftermarket ECU / Build Details Form
Wiring Specialties Aftermarket PRO Harnesses are pre-wired for Oil Pressure, Fuel Pressure, IAT and MAP sensor wiring directly to the ECU. Flex Fuel support is available if desired for no extra charge. ECU control of a Boost Control Solenoid is also included on most harnesses.
Please consult the Aftermarket ECU Install Guide to help you select the correct Oil & Fuel Pressure, MAP, IAT, Flex Fuel & Wideband O2 Sensors to match your ECU and the PRO Harness connectors. We have several pre-configured Sensor Packages below to get you started.