This installation guide is for the 2013-2015 Nissan Altima Switchback LED Daytime Running Lights .
This set of switchback LED daytime running lights replaces the stock turn signal lamps for 2013-2015 Nissan Altima with a dual function
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
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%.
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