Hardware Installation Guide

Do not attempt to solder the ECU yourself unless you are a qualified and experienced technician.
For professional assistance, please contact us. By attempting to modify the ECU, you assume full responsibility for any damage caused to the vehicle.

Four components must be modified on the top side: J4, CN2, 74HC373, 27C256

  • Desolder J4 Jumper
  • Install CN2 connector
  • Install 74HC373 latch register
  • Install 28-pin socket

Three components must be modified on the bottom side: C49, C50, J1

  • Bridge J1 Jumper
  • Install C49 Capacitor .004uf
  • Install C50 Capacitor .004uf

Drill hole for USB. Install S300 board as shown

  • Cut off a section of the S300 circuit board.
  • Solder two wires to the detached section as shown.
  • Use this section as CN2 connector