caffeine
Veteran Member
I'm not even sure those modifications are even needed, as the Passat cluster does look to have an LED already on the board. What I really need is a sport diesel tach face with the glow plug symbol on it as right now I just have a non-diesel gauge face. Then I can test to see if the existing LED will light up when it's supposed to.You can probably add the 2-3 components needed to make the glow plug light work as described here: