This harness is for installing your dash cam into your 2021-2025 Suburban/Tahoe/Yukon. This harness saves you from splicing and/or entering pins into your car's wiring harness. This plug and play harness connects inline at the rear-view so you will have no wires showing. This harness will have ignition voltage and ground, there is not a constant power wire in this harness. This harness includes the necessary 12 volt to 5 volt converter and also includes 1 of the 3 common connections. Mini-B, Micro-B, or the type C connection which you can select from the option menu. Works on all 2021-25 models that have either the Auto-Dimming mirror or the live view camera mirror. If you have a manual dimming mirror this harness will not work on your car. If unsure, please feel free to contact us with your VIN# prior to ordering. Please enter your VIN # and we will confirm fitment before shipment.