I have put an aftermarket Double Din stereo in my 2001 Nissan Xterra and used the correct aftermarket wiring harness adapter kit. I have wired it color for color with the exception of leaving the illumination wire disconnected. The stereo will not turn on....so I connected the positive wire with the ACC wire and it will work,but drains the battery? The stereo and adapter have +12v wire,ACC wire, Power Const wire and Remote Antenna wire. Any helpful tips here??


The positive wire should go to a fused permanent live ie effectively directly to the battery.

The ACC wire should be fed from the key switch and should go live when the key is turned to the 1st position ie accessory.

If the ACC supply from the key switch is faulty then the stereo will not come on.

if you feed it from the ignition position ie position 2, then the stereo will work but only with the ignition on ie engine running.

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