9003 LED Headlight bulb Installation Tips
Tools and Preparation:

Gather necessary tools: screwdriver, gloves, and possibly a socket wrench.
Disconnect the vehicle's battery to prevent electrical shocks.
Accessing the Headlight Assembly:

Open the hood and locate the headlight assembly.
Remove the dust cover or protective cap behind the headlight.
Removing Old Bulbs:

Disconnect the power connector from the old bulb.
Release the bulb's retaining clip or twist the bulb to remove it, depending on your vehicle’s setup.
Installing the New LED Bulbs:

Insert the new 9003 LED bulb into the socket, ensuring it’s seated properly.
Secure the retaining clip or twist the bulb to lock it in place.
Reconnect the power connector to the new bulb.
Testing and Adjustments:

Reconnect the vehicle’s battery.
Turn on the headlights to test the new bulbs. Check for proper functioning of both high and low beams.
Adjust the beam pattern if necessary to ensure it’s focused and not causing glare.
Final Steps:

Replace the dust cover or protective cap.
Close the hood and perform a final check to ensure everything is secure.
By considering these factors and following the installation steps, you can upgrade your vehicle’s headlights to 9003 LED bulbs effectively.

If you are not sure whether the 9003 LED bulbs will be suitable for your vehicle or not, you can click the "By Vehicle" catalog at the top of the page to help you with that, or check with Novsight vehicle bulb finder on the top bar.

Contact us: service@novsight.com
H4 9004 HB2 Installation guides

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