If you can believe it, this was an aftermarket alarm and immobiliser system fitted into an RX7 (not by us obviously). The car came in because it wouldnt start, and when we took the dash panel off this mess of spaghetti fell out onto the floor.

A few days of work to get it cleaned up, and the car stil wouldn’t run, even with all of this removed and restored to factory. I read the workshop manual for the RX7 cover to cover and learned more about rotary engines than I ever thought I would need to, before finding there was another immobiliser hidden in the boot of the car that even the owner didn’t know about.

Great result, terrible week - Matt T, Workshop Manager