I haven't joined yet but the videos on YouTube are excellent, your skills as a teacher and a machanic are second to none

Just wanted to say thank you for the awesome content and information. I've really progressed in diagnostics because of this site. With your help I passed my L1 test on the first attempt yesterday.

discovering SD and joining SD premium was the best decision I have made since I can remember, it didn't cost alot for premium but has transformed my understanding of vehicle electronics beyond what I would ever have been able to discover by my own experience.
once you are equipped with the knowledge on offer here it builds confidence, and the fix success rate goes up along with efficiency. and you start to enjoy not being frustrated the same way.
if you really are hungry to learn join up and run with it you will be glad that your historical self made the decision ?.