A visible engine mounted LED to show status of  Diemaster modified Dimension Engineering
(1A) Pico Switch / 'Kill switch'

Kill Switches - A Rough Guide

Rear Brake Light Unit

Dimension Engineering Battleswitch (10A) - LED addition modification

Working Rear Brake Lights - Servo arm link

Servos - Specifications & Options

Hitec servos - installation

3rd Channel Kill switch - connecting the wires to the existing ignition coil