Simos 33a Pinout Top [verified]
(the side where the harness plugs in), pins are generally numbered in a specific sequence to prevent incorrect wiring. Pin 1 Location
Connector: SIMOS 33A — Top row (pin numbering left-to-right when viewing the ECU mating face with locking tab up). Pins are shown as: Pin number — Signal / Typical function — Notes simos 33a pinout top
💡 Aftermarket tuning platforms like PCMFlash, Ktag, and Magicmotorsports often include a .pdf pinout inside their software folder. Look for “SIMOS33A_pinout_top.pdf”. (the side where the harness plugs in), pins








