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This installation guide is for the 2013-2015 Nissan Altima Switchback LED Daytime Running Lights (70-775).

This set of switchback LED daytime running lights replaces the stock turn signal lamps for 2013-2015 Nissan Altima with a dual function
xenon white LED DRL and amber yellow turn signal light feature.

Step 1: Use a pry tool to remove the fog lamp or bezel cover, use a wrench to remove the turn signal lamp. To remove the turn signal light bulb, you'll need to unplug the bulb and base of the stock turn signal harness.

Nissan Altima Switchback LED DRL Light 01

Step 2: Starting from the engine bay, draw all the wires down to the turn signal location.

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BEFORE WE WIRE UP THE LED DRL: If you feel that the yellow wires are not long enough, you can cut the black wire sleeve to expose more wiring to reach both the driver and passenger side. You may cut the entire sleeve or simply trim off as much of the sleeve as you need.

Or, you can simply use a wiring extension to extend the length of the wires.

Nissan Altima Switchback LED DRL Light 05

Step 3: Now we are going to tap the wires. Be sure to always have the module box connected to the LED DRL assembly when you begin the wiring.

Plug in the LED daytime running light adapter to the stock harness.

Tap red wire to the ACC 12V+ in the fuse box. Open the fuse box and locate the purple wire as indicated in the picture below. That is an
ACC location where you can tap the red wire to.

Tap the black wire to battery negative/ground.

Tap the yellow wires to the driver/passenger turn signal light positive. During installation, you will notice that there are three wires in the turn signal adapter. They correspond to the turn signal positive, parking light positive, and the ground. We know that the black wire is always the ground wire, so you will need to test the other two wires to see which wire corresponds to the turn signal positive for your Nissan Altima.

The optional white wire can be tapped to headlight positive to dim the output by 50%.

Nissan Altima Switchback LED DRL Light 06 

Nissan Altima Switchback LED DRL Light 09

Nissan Altima Switchback LED DRL Light 10

Nissan Altima Switchback LED DRL Light 04

Step 4: After you tap the wires, you can reinstall your new Nissan Altima switchback LED DRL/Turn Signal assembly in place.

Be sure to put all the components back in place and hide/tie up any loose or exposed wiring from the LED assembly.
Nissan Altima Switchback LED DRL Light 11