Notice : Bypass condenser (0.1uF) must be added between +4.8V and GND near 12C509.
Software
Red & black wires are +4.8V, GND respectively. Output wires are to connector.
Back side of the board
A power supply from the chassis. P1 is GND、P4 is +4.8V.Caution !! : A guarantee will be invalid if you do some modification on chassis like this.
Circuits on body side. Head lights are white, rear is red leds. I hope less expensive white LEDs....(ca.4$ now)
Then.....
