For certain cars' LED tail light 

Installation Instructions

Step 1: Prepare Your Workspace.

Step 2: Remove Your Old Tail Lights.

Step 3: Remove the Old Tail Light Bulbs.

Step 4: Disconnect the Wiring Harness.

Step 5: Install the New Lights.

Step 6: Replace the Bulbs with LED Lights. 

Step 7: Test and Drive.

For universal tail lights

Step 1: Determine the installation position.

Step 2. Mounting the position of the tail light.

Step 3. Wire to wire connection.

Step 4: Test and Drive.