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I have a boss bv10.1b radio and it says the yellow wire is for memory (back up) and that the red is for the ignition switch...my question is which one of these wires is the "power wire" and which is the "power continuous"?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Red wire Pioneer MP 2050?

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Posted on Jul 10, 2008

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simplemitch
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SOURCE: clarion marine stereo M2455

Don't worry about the brown wires. They are for telephone mute.

The yellow is Memory (constant 12 volt, so battery is fine), but the red should go to a 12 volt source that turns on and off with the key.

Posted on Aug 05, 2008

  • 33 Answers

SOURCE: Yellow Wire has no power

Your stock radio should have had a wire that does this. It may not be yellow so look up the wiring diagrams for your car. If you can't find it by doing that, then look up a diagram of your use box. Sometimes there's a diagram on the back of the fuse panel cover or somewhere around there that tells you what fuses are from what. You can then run a new wire if you have to.

Posted on Jan 08, 2009

  • 290 Answers

SOURCE: needing wiring diagram for 1991 dodge dynasty le

here is what I found:
http://www.the12volt.com/installbay/stereodetail/715.html

Posted on Mar 26, 2009

rteemon
  • 578 Answers

SOURCE: wiring confusion

yellow constant
red switch
black is ground
blue power antenna if any
dimmer i/illumination is optional

front- right-red/green-+
front-left-blue/green-+
rear-right-red/yellow-+
rear-left-blue/yellow-+

these are all the positive side wire for all your spkr


Posted on Jun 25, 2009

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1 Answer

Ford Ranger 1997 Radio Wiring - Yellow Wire ' Red Wire, Radio only powers on when both wires are intertwined together. Yellow Wire (Battery Constant) 12V+ and Red Wire (Ignition Switch) 12V+ intertwined...


The yellow is for the memory of the radio. It keeps the stations you program in. The red needs to go to a ignition on only. Other wise the radio will always be on, unless you turn it off every time with the knob. It is working because yo can hook them up and the radio works. Just find an ignition on wire...

Jan 04, 2015 | Ford Cars & Trucks

1 Answer

After rewiring my Boss 636CA audio player, It wont light up or play music but will still take and eject my cds. Whats wrong?


you may not have 12 volts or 13.5 volt on all the wires.
you also may not have a good ground to the frame of the car or truck . check the wires at the radio harness will using a digital voltmeter if you can do this find a shop who can ..


red = switch ignition wire must have 12.0 to 13.5 volts when ignition switch is turn to run or accessory position
yellow = memory or b+ wire also known as constant power this wire has power on it at all time even when car is off that is what save station presets and clock display ... must have 12.0 to 12.5 volts at all time when the car is off. will display 12.0 to 13.5 once car or truck is running.
black wire = is your ground wire the metal surface you chose to make your ground wire location. must have the following..

1 clean and bare metal not paint or grease on area you will attach the wire.
2. area must be connected to the frame of car or truck
3. good crimp connection and tightly secured to the area your mounting wire with a bolt and star washer etc...

with out a good ground you will not complete the circuit properly
strange things will happen
poor functionality
noise
works intermitting

now if you check everything and everything is right and still nothing the display on your radio is bad .. or maybe needs a boss service tech to check it out because some wrong with the radio itself

May 15, 2012 | BOSS AUDIO SYSTEMS 636CA

1 Answer

Its a dab radio,i set all the station fine but when i turn ignition off then back on the radio loses all memory.it is connected to ignition because only works when ignition on?


There are 4 wires. Red, Yellow, Orange and sometime yet another lower amperage yellow. Oranges is rarely used anymore. (Dimmer) Yellow i believe is constant (Always a little trickle to keep memory_. Red is for switched (ignition).

Jul 10, 2011 | Car Audio & Video

1 Answer

Which wires go to what in the radio


ITEM - WIRE COLOR - POLARITY - WIRE LOCATION
12V - red - POSITIVE - ignition harness
STARTER - white - POSITIVE - ignition harness
IGNITION - red - POSITIVE - ignition harness
ACCESSORY - red - POSITIVE - ignition harness
SECOND ACCESSORY - yellow - POSITIVE - ignition harness
BRAKE WIRE - white - POSITIVE - brake pedal switch
RADIO 12V - red - POSITIVE - radio
RADIO GROUND - black - NEGATIVE - radio
RADIO SWITCH - yellow - POSITIVE - radio
RADIO ILLUMINATE - pink - POSITIVE - radio
POWER ANTENNA - gray/orange - POSITIVE - radio
LF SPEAKER - white - brown - radio
RF SPEAKER - green - orange - radio
LR SPEAKER - yellow - black - radio
RR SPEAKER - orange - blue - radio

Jul 02, 2011 | Hyundai Motor 2003 Elantra

2 Answers

I installed an older used stereo. I found the red wire is power, the black is ground, What is the yellow wire with the 5amp in line fuse for


The Yellow is your Ignition wire, It controls the stereo power when the vehicle is on/off. It can be spliced with the red wire, however I wouldn't suggest it unless all other options have been used.

Feb 25, 2011 | JVC AM FM CD DET FACE CAR STEREO

1 Answer

The radio will not hold memory


If your radio will not hold memory then you are lacking a constant 12 volt power source. Check the yellow and red wires at the radio. The yellow wire should be connected to a constant 12 volt power source (battery) and the red wire should be connected to a switch 12 volt power source (accessory or ignition).

Nov 23, 2010 | Pioneer DEH-2800MP CD Player

2 Answers

JVC stereo not working properly - 2001 Sonata


generally wiring from the car is as follows...

red = ignition controlled live
yellow = permanent live

if you want stations saved and manual switch off of uni connect radio's yelow and red wires to the cars yellow.

if you want stations saved and radiounit switch off controlled by ignition (i.e only when car is running) then yellow to yellow and red to red. anything else will cause issues...

Feb 21, 2010 | JVC KD-R200 Car CD/ MP3 Player

2 Answers

I install a radio it dont keep a memory


Pull the radio back out. I bet you hooked up both power wires (red and orange or yellow) to the ignition on hot wire. Orange or yellow depending on the radio usualy goes to the ignition on hot wire and red to a constant hot wire. Check the radio wiring diagram or list. One of the power wires has to go to a full time power source. check the wires with a circuit tester with the key off till you find the constant hot wire (battery power)

Dec 17, 2009 | Kenwood KDC-MP228 CD Player

2 Answers

How do you store radio station in memory?


you have the constant power wire and switched wire backwards.
Switch the red and yellow wires around.

Thanks for using FixYa - A FixYa rating is appreciated!!

Feb 16, 2009 | JVC KD-HDR1 CD Player

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