T5 Fog Light not working? WHY?

So we put the correct tail/fog light bulbs in and it still doesn't work.
Lets dig in and find out why.
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I have to warn you that I have no formal automotive training, and have just learned by breaking stuff. If you can learn anything from my mistakes then great, but you do so at your own risk!

[@frednetherlands887]

Again another enlightening video. Thank you.🎉

[@LarcsWorkshop]

Thanks Fred👍

[@carlotwelding8136]

Nice find bud , wiring can be a nightmare.

[@LarcsWorkshop]

Thanks, yep we got there eventually 👍.