I had gone as far as I could on my own with the DS. It was time to bring in the experts. I had spent a number of hours trying to get the lights to work. I made some progress, but was unable to get them to work correctly. Luckily Jason, my friendly DS mechanic was able to sort out the mess pretty quickly. Turns out there were multiple problems all contributing to the strange results I was seeing. People criticise British car wiring, but French DS wiring is no better.
Firstly there were some bad connectors that needed replacing. […]