Double Heading for the Pro-150 and 4QD Series Date: 4th November 2022 By: Steve Smith Categories: 4QD 200/300, Double Heading [MU], PRO-150 Read More
DMR-203: Use with 4QD Series Controllers Date: 27th October 2017 By: 4QD Categories: 4QD 200/300, DMR-203 Read More
Inhibit switch / footbrake – 4QD series only [tour 16] Date: 23rd March 2016 By: 4QD Categories: 4QD 200/300 Read More
Forward / Off / Reverse Mode (4QD Series) Date: 22nd March 2016 By: 4QD Categories: 4QD 200/300 Read More
Converting Parking Brake to Brake Light Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Inhibit Ramp Modification [4QD series] Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Over voltage protection in the 4QD series Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Testing the 4QD Base Board and MOSFETs Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Reverse Acceptance Threshold [RAT] Modification Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Control Board Modification [Pre June 2010] Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Reverse Speed Modification [pre issue 17] Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Reversing Latch Modification [pre issue 16] Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Damage from a Reversed Battery (4QD Series) Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More
Mixing 4QD 150 / 200 / 300 series boards Date: 18th March 2016 By: 4QD Categories: 4QD 200/300 Read More