I recently bought a bicycles from toys r us something inexpensive but not cheap is a 7 speed hybrid/mtb right now i want to add dual light that run off a single toggle switch the bulb is " 6v " and they will run by a " 6 v battery holder " now i was getting help but i think ether this person is BS me or heling me but there is a ether a break in the line or a low battery

and i want to see what im doing something wrong ?