Dupec Ecu Pinout File

The DU PEC ECU has one massive 154-pin connector, often grey or black. Pins are arranged in four rows:

Do not probe pins randomly. A test light connected to battery positive can short sensitive 5V sensor returns. Use a multimeter and a back-probe kit. dupec ecu pinout

Unlike mainstream manufacturers like MoTeC, Haltech, or AEM, documentation for Dupec units is often scarce, fragmented, or translated poorly from other languages. This creates a significant barrier for tuners and mechanics. Without the correct pinout, you risk shorting sensitive drivers, frying your ECU, or worse, damaging the engine harness on your vehicle. The DU PEC ECU has one massive 154-pin