3" Projector Fog Light Lamps w/ Amber 40-LED Halo Angel Eyes Rings For Car Make_Volvo A: The metal portion is

A: The metal portion is the negative/ground connection (-)

or your current bezels end up damaged

You should get this easy plug and play F1 style flash/strobe module box wiring kit with no cutting or modification required (see picture 4 for installation tip)

This page features a brand new set of iJDMTOY 6pc Sports Blue Aluminum Air Conditioner Stereo Volume/Tune Trailer/4WD Switch Knob Ring Covers Compatible With 2017-2020 Pre-LCI Ford SuperDuty F250 F350 F450 w/ Rubber Knobs

and (1) a set of relay wire harness w/ in-line fuse and on/off switch

3" Projector Fog Light Lamps w/ Amber 40-LED Halo Angel Eyes Rings For Car Make_Volvo A: The metal portion isFeatures Full cast aluminum body with E13 certified glass projector fog lamps paired with 40 pieces SMD LED halo rings shrouds (3 4 times brighter than conventional CCFL Halo Rings) Overall diameter: 80mm (3. 15"), projector lens diameter: 58mm (2. 25"), overall length: 133mm (5. 25"); Halogen bulb size: H3 (included) and compatible xenon HID bulb size: 9006 (not included) Good for replacing most 2. 5 3. 0" round shape fog lamps, or fresh new add on