HEADLIGHT POWER BOOSTER RELAY WIRING HARNESS KIT - 40amp H4

This system is a H4 Headlight Power Booster, This will add more power to your headlight by creating a better contact by two 40amp relays from your battery.

Will run up to Two H4 Headlights

Features:

1 x Heavy Duty Wire Harness
2 x 40amp Relays
2 x H4 Plugs - F-Male
1 x H4 Plugs - Male

Go to our Tech-Support page for PDF Wire Diagrams: Click Here

ATT: CAN BE FITTED BY ANYONE WITH EASY FITTING INSTRUCTIONS, BUT BEST IS FITTED BY A PROFESSIONAL AUTO ELECTRICIAN.