**Note: if headlights do not turn on after installation, reverse input sockets. Many 90's imports come equipped with reverse polarity from the factory**
Quickly and easily convert any 4 bulb 9006/9005 headlight setup to a 2 bulb h4 system quickly and easily without doing any cutting or splicing of your existing factory wiring. Simply plug and play with the easy disconnect ceramic input and output sockets.

Can convert a 9006/9005 headlight setup to H4. Ceramic input and output plugs handle up to 100 watt h4 bulbs (though our relay harness is recommended for higher wattage application)