Not sure if these are going to help you any more than Rich's photos , but just in case I took these today
![[Linked Image]](https://www.tm-img.com/images/2022/08/14/IMG_4997.jpg)
![[Linked Image]](https://www.tm-img.com/images/2022/08/14/IMG_4998.md.jpg)
![[Linked Image]](https://www.tm-img.com/images/2022/08/14/IMG_4995.jpg)
![[Linked Image]](https://www.tm-img.com/images/2022/08/14/IMG_4996.jpg)
The ignition module is mounted on the aluminium bracket just behind the coil .
Like Rich , I can find no purple wire , mainly black and white.
I know that Bruce has a lot of experience in Morgans and he has experienced no issues with the RPi amplifier, but my experience is contrary to this . However the points he makes about chasing down the obvious possible faults first make a lot of sense.