- Joined
- Jan 18, 2005
- Messages
- 6,337
- Reaction score
- 128
- Points
- 63
- Age
- 38
- Members Ride
- BMW E21 320i, E36 "318IS" coupe
well the positive wire for the hids has to goto a +12v wire on the headlights, and the negative wire on the hids has to goto the ground wire on the headlights. if theyre hooekd the wrong way around, the hids wont work, and both need to be connected, or the hids wont work.