Nissan Hardbody radio wiring colors Post by RT22 » Sat Mar 05, 2011 6:09 am will post this again as some asked and now with that in title easy to search for. 9 pin plug color scheme red 12 volt positive switch lead (basic hot comes on with ignition) yellow 12 volt positive to battery constant ( to hold settings) black is ground. Audio Front Speakers Size: 4″ x 6″ Speakers Audio Rear Speakers Size: 6 1/2″ Speakers The following information is currently not available: Stereo Dimmer Wire Stereo Antenna Trigger Wire Stereo Amp Trigger Wire *If you know any of the above or any other missing information please use the comment box below to notify us.
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1987-91 Nissan Hardbody Pickup car stereo wire colors, functions, and locations. Our comprehensive 1991 Nissan Hardbody radio wiring diagram shows all the radio wire harness colors, speaker wire colors, and speaker sizes. Use this head unit pinout guide to help with your car stereo installation or to troubleshoot radio wiring issues in your 1991 Nissan Hardbody.