I have a pair of HST's which are somewhere between 45 - 50 years old - still going strong. However the lights only worked in a forward direction and were very weak.
I saw an advert for an upgrade with a PCB supplied by the above. Fitted fairly simply by removing the bulbs and replacing with the PCB - I decided to remove the pins from the wires and solder direct to the relevant places on the board and also removed the diode which worked the lights according to direction of travel.
The non-powered units work fine, but in the powered cars both sets of lights are appearing at the same time, regardless of direction.
I know the PCB's work as I've powered them direct - but when powered by the wheels the fault appears.
Anybody used these and either not had the problem or managed to correct to make them work properly please?
Graham