I had to search for a long time to get my template. Unfortunately, I don't have a scanner, but I might be able to help. Give me a minute....
HA! My original thread from like 2 years ago. The measurements are in post # 28 of this thread. I will look more for the template, although I seem to remember making my own to give to my body shop. I used poster board and masking tape, and cut away a little at a time until it was perfect.
JDM Sidemarker location and template... - Page 2 - Preludepower.com
* edit also check post # 41 for a starting poing for your template. You are welcome.