Complete mother board power supply, no soldering needed. Please have the vehicle properly diagnosed by a qualified technician before purchasing this item. If this item doesn't correct your problem do not blame the power supply, you have other problems in the cluster. If you have to ask for help, you shouldn't be attempting the installation yourself. If you don't think you can handle the installation please do not purchase it. This motherboard will not fix odometer error problems or missing pixels, only dead segments or completely dead cluster.