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Connecting amp to stock radio in a 2010 carolla and need to know what wire is remote turn on lead

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There is no remote turn on lead on a factory radio. The way the shops do it is to run the remote wire to your radio fuse which turns on/off with the ignitin. If you really wanted to know you can use a volt meter but it will still turn on/off with the ignition but takes a lot longer to find plus you have to remove the radio!!

Posted on Sep 07, 2009

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Step by step instructions


The pink wire connects the remote CD controller to the radio to enable playing of CDs through the amp via the radio. The DK GRN wire from the radio turns on the amp.

Feb 25, 2014 | GMC Yukon Cars & Trucks

1 Answer

So I can't get my jbl gto- 521 ex to shut off even with out the auto on wire connected. I tested the wire and when the car is off there is no current but when the car is there is current, so here is my set...


remove the remote wire.
you probably have the power wire touching or connected to the remote wire. you dont need with auto on.

once again, unplug the remote wire.

Oct 16, 2013 | Car Audio & Video

1 Answer

Would like to change the stock radio... how do I do it


THIS IS A COPY OF A POST I SUBMITTED TO SOMEONE WHO HAD A SIMULAR QUESTION REGARDING AN ALPINE BRAND RADIO ISTTALLATION. THE PROCESS IS THE SAME NO MATTER WHAT BRAND THE AFTERMARKET RADIO IS.

Go to the store and buy a mounting kit and wiring harness adapter that are for your car. There are alot to choose from and most are universal and come with instructions. You can get these at wal-mart or best buy. The mounting kit is meant to fill in the empty space left by the new aftermarket radio (your alpine). The alpine will have a metal sleeve around it. take this off and put it in the mounting bracket so it is flush. The sleeve will have little triangle shaped tabs on it. Bend these out so the sleeve cant fall out of the bracket or someone will be able to pull out your radio. Remove your stock radio by pulling off the trim around the radio. This is held on by clips, so be careful. There will be a couple of screws holding in the radio. Remove these and pull the radio out. Behind the radio there will be 1 or 2 wiring harnesses plugged into the radio. Unplug these. Then attach the wiring harness adapters you bought. These plug into the stock harness and have wires at the other end that are labeled. Wire the alpine wiring harness into the harness adapters that you plugged into the stock harness. If you want to you can unplug the harness from the alpine and wire it to the harness adapter before plugging it into the stock harness. The wiring diagram should be on the radio. If not the colors are pretty common.
RED = SWITCHED PWR LEAD (IGNITION)
ORANGE = ILLUMINATION
BLACK = GND
YELLOW = BATTERY LEAD
GREY = FNT SPKR RIGHT(+)
GREY/BLACK STRIPE = FNT SPKR RIGHT(-)
WHITE = FNT SPKR LEFT (+)
WHITE/BLACK STRIPE = FNT SPKR LEFT (-)
VIOLET = REAR SPKR RIGHT (+)
VIOLET/BLACK STRIPE = REAR SPKR RIGHT (-)
GREEN = REAR SPKR LEFT (+)
GREEN/BLACK STRIPE = REAR SPKR LEFT (-)
BLUE = PWR ANTENNA LEAD
BLUE/WHITE STRIPE = REMOTE TURN ON LEAD(FOR SUBWOOFER AMPLIFIER)
There may be RCA jack inputs in the back and these are for the subwoofer amp.
There will be a large black cable in the back and this is the antenna wire. Plug in the antenna wire from the back of the stock radio here. Yu may or may not need an adapter for this depending on the size difference between the wire and the hole it plugs into.
**Please note: if your car has a "premium" sound system that comes stock with an amplifier you will need to attach the power antenna lead from the alpine to the remote turn on lead on the harness adapter. If not when you turn on the radio/cd it will not turn on the stock amplifier and the speakers will not work.
I found this out with my 99 dodge avenger which has an Infinity stock radio. You can pop the trunk and look up at the back dash and see the small amplifier.
Once the radio is wired and the mounting bracket is installed, connect the harness adapter as well as the antenna wire. The new wiring harness adapter makes the wiring a little longer so you may have to stuff them back a little bit. Connect the harness from the alpine back into the back of the radio and slide the head unit into the metal sleeve until you hear a click. Before sucuring the mounting bracket and putting the trim back on it is a good idae to try the radio out so if there is something wrong you dont have to disassemble it again. When you buy the harness and bracket it will say on the packaging "nissan 84-94" or "Honda 83-99" or something similar. Look on the back for a complete list of compatable models


please vote and thank you!

Oct 17, 2010 | 1995 Oldsmobile Cutlass Supreme

1 Answer

Looking for instruction to operate an Alpine MDA-W905JB head unit in a Japanese car I just bought.


Go to the store and buy a mounting kit and wiring harness adapter that are for your car. There are alot to choose from and most are universal and come with instructions. You can get these at wal-mart or best buy. The mounting kit is meant to fill in the empty space left by the new aftermarket radio (your alpine). The alpine will have a metal sleeve around it. take this off and put it in the mounting bracket so it is flush. The sleeve will have little triangle shaped tabs on it. Bend these out so the sleeve cant fall out of the bracket or someone will be able to pull out your radio. Remove your stock radio by pulling off the trim around the radio. This is held on by clips, so be careful. There will be a couple of screws holding in the radio. Remove these and pull the radio out. Behind the radio there will be 1 or 2 wiring harnesses plugged into the radio. Unplug these. Then attach the wiring harness adapters you bought. These plug into the stock harness and have wires at the other end that are labeled. Wire the alpine wiring harness into the harness adapters that you plugged into the stock harness. If you want to you can unplug the harness from the alpine and wire it to the harness adapter before plugging it into the stock harness. The wiring diagram should be on the radio. If not the colors are pretty common.
RED = SWITCHED PWR LEAD (IGNITION)
ORANGE = ILLUMINATION
BLACK = GND
YELLOW = BATTERY LEAD
GREY = FNT SPKR RIGHT(+)
GREY/BLACK STRIPE = FNT SPKR RIGHT(-)
WHITE = FNT SPKR LEFT (+)
WHITE/BLACK STRIPE = FNT SPKR LEFT (-)
VIOLET = REAR SPKR RIGHT (+)
VIOLET/BLACK STRIPE = REAR SPKR RIGHT (-)
GREEN = REAR SPKR LEFT (+)
GREEN/BLACK STRIPE = REAR SPKR LEFT (-)
BLUE = PWR ANTENNA LEAD
BLUE/WHITE STRIPE = REMOTE TURN ON LEAD(FOR SUBWOOFER AMPLIFIER)
There may be RCA jack inputs in the back and these are for the subwoofer amp.
There will be a large black cable in the back and this is the antenna wire. Plug in the antenna wire from the back of the stock radio here. Yu may or may not need an adapter for this depending on the size difference between the wire and the hole it plugs into.
**Please note: if your car has a "premium" sound system that comes stock with an amplifier you will need to attach the power antenna lead from the alpine to the remote turn on lead on the harness adapter. If not when you turn on the radio/cd it will not turn on the stock amplifier and the speakers will not work.
I found this out with my 99 dodge avenger which has an Infinity stock radio. You can pop the trunk and look up at the back dash and see the small amplifier.
Once the radio is wired and the mounting bracket is installed, connect the harness adapter as well as the antenna wire. The new wiring harness adapter makes the wiring a little longer so you may have to stuff them back a little bit. Connect the harness from the alpine back into the back of the radio and slide the head unit into the metal sleeve until you hear a click. Before sucuring the mounting bracket and putting the trim back on it is a good idae to try the radio out so if there is something wrong you dont have to disassemble it again. When you buy the harness and bracket it will say on the packaging "nissan 84-94" or "Honda 83-99" or something similar. Look on the back for a complete list of compatable models.

Hope this was helpful. Please rate, and thanks!

Oct 17, 2010 | Car Audio & Video

1 Answer

1998 Toyota Camry Le Wiring Diagram. i want to hook a subwoofer with stock stereo. Need to know what to use so it will power off when car is turned off.


Hello motoxbear17,

You do not specify what particular amp or powered subwoofer you intend to install, so I'm assuming that you have an amp that uses a remote 12V+ signal to turn the amp on and off. Some powered subwoofer systems like the Bazookas, Infinity Basslink, and MTX Thunderlink use an "audio sensing" circuit that turns the sub on only when the radio is on. Some amps also have such a "turn-on" circuit that is active when speaker level inputs are used. I'd recommend that you check the documentation that came with your amp and see if it has such a feature.

For a normal subwoofer amp with power, ground, and remote terminals, the remote terminal usually just needs a 12V+ source to turn the amp on.

In your vehicle, the gray wire coming from the receiver harness is a 12V+ switched source.

Here's a link to the '98 Camry wiring color code:

http://www.modifiedlife.com/car-stereo-radio-wiring-diagram-1998-toyota-camry/

With this connection, the amp will power on whenever the vehicle ignition is on or in accessory, regardless of whether the radio is on or off. If this is objectionable, you can simply add a SPST toggle switch inline with the lead and turn it on only when needed.

Hope this helps.

Oct 18, 2009 | Car Audio & Video

1 Answer

My amp is working fine but turns off when i insert a CD


Hello pumpin_up_da,

The most likely cause for the problem you describe is that the remote turn-on lead to the amp is functional only when the head unit is operating in tuner mode. This could be caused by using a power antenna lead instead of a remote lead. Some head units have both, some only one or the other. Check the wire going to the amp remote terminal with a voltmeter. If it shows 12V when the radio is operated in tuner mode but 0V when you switch to CD, then check the wiring. If this is the cause, and your head unit has a dedicated amp turn-on lead, then connect it to the amp terminal. Most head units that have both power antenna and remote leads code them "Blue" and "Blue/White". If your head unit does not have an amp turn-on lead, you need to wire it to a 12V switched source, usually the "red" wire on most aftermarket receivers. You can then put a SPST toggle switch (available at Radio Shack or most auto parts stores) in line with the wire and turn it on and off as desired.

If the correct wire from your head unit is currently connected, then the receiver is defective and needs repair or replacement. Or, if everything else still functions normally, and really don't want to bother with repair or replacement, you can still use the 12V switched source as described above.

Hope this helps.

Jul 09, 2009 | Ultra Linear UL-2200D Car Audio Amplifier

1 Answer

My cd changer, radio and amp are inter connected.the owners manuel say that if all are not hooked up system will not work. i install an after market radio but cant get the factory amp to come on


Hello moemoneymood,

Since you did not specify the make and model of your aftermarket radio, I cannot pinpoint specific connection problems. Most aftermarket receivers have a "remote turn-on" lead, probably blue, but sometimes blue/white, usually terminated with a spade lug. In addition to power and ground, the amp requires this lead to be connected in order to properly operate.

Start by checking the wiring from the old receiver wiring harness and see which wires and what colors went to the stock amp. Then connect the corresponding wires from your new receiver to the amp. Some OEM receiver/amp systems had power and ground taken from the same harness, so you may need to run those separately.

Apr 11, 2009 | Car Audio & Video

1 Answer

Xplod to a jvc


I would recommend using an 8 AWG minimum or preferably 4 AWG power and ground cable. Use as short a ground lead as possible and connect it directly to some chassis metal (avoid accidentally screwing into the gas tank if in trunk). Use a fuse holder with a 40 - 60 amp fuse under the hood within 18 inches of the battery. Your RCA cable coming from the back of the JVC radio should be run to your amp along with the remote turn on lead. This wire should connect to the JVC's amplifier turn on lead which should be a blue wire with a white stripe.

Aug 08, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

2 Answers

Aftermarket amp installed on 2006 silverado


connect the remote turn on any wire that goes hot when the ignition is tured on

Jun 01, 2008 | Car Audio & Video

1 Answer

Remote wire hook up


The Remote wire should connect to the remote turn on lead from you radio(most aftermarket radios use a blue and white or a blue wire for the remote turn on). This wire will send a 12v signal to the amp from the radio when the radio is turned on. You can disconnect the remote turn on lead from the amp and jump a wire from the terminal marked battery to the remote turn on terminal just to see if the amp powers up. Do not leave it this way however because your amp will not shut off and your battery will go dead.

Aug 19, 2007 | Rockford Fosgate Punch 301S Car Audio...

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