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What dose ACC, BU, P.CON & SP. OUT stand for?

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The ACC (accessory or ignition) is for the red wire which is 12 volts only when the key is on or in the accessory position

The BU (back up) is for the yellow wire that get 12 volts all the time, even with the car turned off. It keeps the memory for the clock and preset radio stations.

P. CON (power continue) is a 12 volt output for turing on your power antenna or to turn on an external amplifier.

SP. OUT (speaker output) you have 8 of these all color coded. The white and grey are the front speakers with the solid color being the positive and the black stripe is the negative
The green and purple are for the rear speakers with the solids being the positive and the black stripe being negative.

i hope this clears it up for you, let me know if you need more info. have a great day :)

Posted on Jun 20, 2008

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My rd-s590 igot the wires hooked up but when i start my truck it say see ya. then whenigotto put a cd in it come on then shut it self down i need to kno if i got the wires hook up correctly but theres...

Hello! you realy need the wire diagram that cam with your unit,,,, I do know this> there will be a wire that gets connected to 12 possitive and is hot all the time,, next there is a wire that is cannected to the acc 12 Possitive that is switched on/off with the key,

when the key is "off" then the unit should go off,,,,,,,not be on...

with out seeing your wire diagram, I will say that the red wire (should ) be connected to the 12 possitive hot all the time,,,, and the Orange wire (should) be connected to the 12 possitive acc "key switch)

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  • I'm gonna list the wiring guide for the stock radio.
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Initially, pls reference below image. If you would want a more detailed/specific layout/diagram, perhaps it would be best to postback the model number.Almost always, the red wire goes to a switched B+12 such as the ACC terminal of the IGN switch while the yellow goes to a constantly B+12 such as the battery's + terminal. of course the black is ground.
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