Backup LEDs for 2000-2018 Ford Focus (Pair) XPR (720 Lumens) Diode Dynamics Chevrolet Using this harness reduces heat

Using this harness reduces heat of the bulb and the module

or give you an error message

or lock them together to easily apply the same settings across the board

SOLD 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

If your XB ballasts have stainless steel brackets / tech info on the back

Backup LEDs for 2000-2018 Ford Focus (Pair) XPR (720 Lumens) Diode Dynamics Chevrolet Using this harness reduces heatUpgrade. Add more light output and a modern appearance to your backup lights with the 921 XPR backup bulb. Each of the four sides of this bulb is populated with 4 high power LED chips for maximum brightness. Housed in an aluminum casing with a textured finish for superior heatsinking properties the XPR will last for years to come. Best of all installation only takes minutes simply take out your factory bulb and the XPR will fit snugly in the socket.