PLEASE LOOK at your factory wiring to see what connectors you have and verify you are ordering the correct harness. The harnesses in this listing will allow your 03 350z with a factory headlight harness that has 8 pins/wires to use a new headlight that has 6 pins/wires. Again, your car’s harness will have an 8 pin connector and your new headlight will have 6 pins. These new harnesses will allow you to plug that new 6 pin headlight into your 8 pin factory connector.
