Volkswagen Horn Wiring Diagram - GM Specific Models. 2002 Cadillac STS I looked under the hood and popped the cover off the fuse box. Under the lid is a diagram of the fuses with labels. One of them (#24 on my model car) said "DRL" on it. I pulled that fuse and voila!. Type 3 & 4. The Type 3 Karmann Ghia VW 411 – Love at First Sight Soft Throttle Pedal Betsy the Wonder Wagon Type 3 Wet Feet Syndrome Making Your Type 3 Handle. There are 3 holes, I'll refer to them as 1, 2, and 3 left to right. 1 and 3 are along the same plane, 2 is a little over 71mm below that. If you make a template, draw a line 190mm long mark hole #1 center 5mm from the left end of the line measure 178mm along the line from hole #1 center and mark hole #3 center..