Resistor T-Harness: 9004 / 9007 (50w)(2x) Infiniti this stuff is as good

this stuff is as good as it comes for light protection

if your vehicle has a can-bus system or a finicky pulsed headlight circuit - check out the Standalone Canbus or Mopar Spec harnesses from Morimoto Fail-Safe: Unlike most generic harnesses out there that rely on a single low-quality relay to power both headlights

On-board intelligence senses leaning angles when cornering to control light

NOTE: Sometimes old/used ballasts have trouble striking HID bulbs when their high voltage is passed through an extension like this

Resistor T-Harness: 9004 / 9007 (50w)(2x) Infiniti this stuff is as goodSOLD IN PAIRS Plug N Play 9005 9006 H10 Style Resistor Harness: These pigtail resistors: are used to help cancel out the CANBUS errors you may get when installing aftermarket HID or LED Headlights in your vehicle.