She runs and idles well (maybe a bit rich), but she dies when I apply the brakes. I did a quick search and found nothing. I know somebody is going to say that I should use the search function.
I am aware of the brake light safety feature on these bikes. The bulb is correct and intact. I know I'm probably going to have to tear into the electronics and compare it to the wiring diagram, I was just wondering if anybody could point me in a the right general direction.
Bike is a 1982 Vespa Grande without turn signals.