I'm installing a brake light modulator on my Spyder. I need to find the main wire shortly before it branches into two and goes to the two different brake lights. Any suggestions where to look, before I have to pull all the rear body panels off? 
BTW - If it matters, these are the instructions I'm following:
http://www.customdynamics.com/pdf/wig_wag_instructions.pdf

BTW - If it matters, these are the instructions I'm following:
http://www.customdynamics.com/pdf/wig_wag_instructions.pdf