If replacing with Haltech, Link, MaxxECU, or MegaSquirt:
Pins for Fuel Injectors No. 1, 2, and 3, plus the fuel pump relay. suzuki k6a engine ecu pinout high quality
: Download the factory wiring diagram for your exact chassis (via Suzuki Fast or forums like BigJimny, RedlineGT). Use this pinout as a verified cross-reference, not a primary source. Build a breakout board if doing extensive work — it saves ECUs. If replacing with Haltech, Link, MaxxECU, or MegaSquirt: