Hi, First time poster here. I have a Velorbis scrap deluxe which came with a lumotec hub powered headlight and tail light. The headlight stopped working so I ordered a new one I hooked it up and it works fine until I touch it to the mounting bracket. It then shorts out. It's driving me nuts. Anyone have any advice? Here's a pic of the light and bracket. The tabs are for the tail light which also work until it touches the mounting bracket.

OK It wont let me post pics until I get 10 posts.

Lumotec headlight.