Headlight assembly connector color code and wiring diagram for 2004 impala
I have to replace the connector to a new right headlight assembly on a 2004 chevy impala, someone cut the original connector off and I do not know which wires from the harness go to which wires on the connector.
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Pull the rubber dust cover back you will see the electrical wires going to the bulb you can pull the old connector off from there it is not inside the housing, the bulb is held in by a small spring clip at the back of the bulb socket.
Remove the center cover and the screws attached to the radiator grille. Pull the radiator grille out of the engine compartment and set it on the ground.
Use a T30 Torx screwdriver to remove the two primary retaining screws from the headlight assembly. Make a note of each screw's original location--they're not interchangeable, so you'll need to put them back in the right slot to reassemble the light.
Draw the headlamp assembly away from the car and then disconnect the electrical wiring connector.
Release the wire clip on the back of the headlight assembly and remove the cover.
Disconnect headlight electrical connector and turn the bulb socket counterclockwise to remove it from the assembly. Install the new bulb, replace the cover and reattach the electrical connector.
Reconnect the headlight assembly wiring connector. Test the new bulb to make sure it works before replacing the retaining screws and radiator grille.