What are the two plugs on the back of the factory radio

I would try Crutchfield first. They have audio experts on hand and will sell you the correct kit.
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Here's a sheet that has your code.

And here's how to put it in.

I've scanned the code sheet as two .jpgs so everyone with an older Toyota can save, share, upload, copy, paste and generally spread this helpful info around. One dealership actually wanted $45 just to put these in for me, but another, awesomer one just made me a copy of the sheet for nothing so I'm just paying their good deed forward.

As in aftermarket like a Sony or Kenwood or..???? Yes.
The easiest way to install one is to get an installation kit. One that has a bracket/face that fills the hole in the dash and the new radio sits in and a wire harness. The harness makes things so simple. You don't need to know what wire color is what. The cars factory harness plugs right in and the new radio wires will be the same color on the harness.

Depending on what radio you are putting in, You may need an adapter pigtail. Read the directions closely.

Yes, you can.  This is a standard "DIN" opening.  Width and height are specified; but not depth.  The plastic empty space tray immediately below the radio - actually make this a "2 Din space"

If you are electrically savy - carefully remove the black trim bezel (two hidden fasteners in the middle section and a couple at the bottom; and a hidden white plastic tab buried way in the back at the bottom - need a long screwdriver to release - accessed only after removing the ash-tray...

I am not aware of any pre-existing wire harness adapter...

Electrically savy - get the above out -  and then measure the available depth.  You can get several molex connectors from Radio Shack, and cut the current wires - and put connectors on them - so that you can reconnect the original factory radio easily.  Unplug those, and make molex fittings going to the wiring for your new radio connecting to the molex you put on the factory wiring.

I'm currently looking at putting in a satellite navigation radio with screen, dvd player, etc. into my 1988 Camry which I've owned since new.  Only new car we ever bought....  Good luck.

Constant 12V+ Blue/Yellow
Switched 12V+ Gray
Ground Brown (or your own wire to a metal grounding point)
Illumination Green
Antenna Trigger Black/Red

Front Speakers 4" Dash
Left Front (+) Pink
Left Front (-) Purple
Right Front (+) Green
Right Front (-) Blue

Rear Speakers 5 1/4" Rear Deck
Left Rear (+) Black
Left Rear (-) Yellow
Right Rear (+) Red
Right Rear (-) White

I a '83 camry, there are 2 seperate plugs that go into a factory radio.
One for Power/and front speakers, and the other for rear speakers.

Sounds as if you are missing part of the harness for the rear speakers (or it is shoved in the back of the dash unused by the previous install). If there is not an un-cut plug in the dash - your only course of action would be to run your own set of speaker wire to the rear.

See this picture... these are the plugs that should go into your factory radio....


Metra kit 71-1938 will go from your factory wiring directly into your factory radio.


Thanks for using FixYa - a FixYa rating is appreciated for my effort in answering this Freebie question.

Hi there! I'm also taking out my factory radio from my 1992 Camry. I found this site has great pictures and description.

Page 3 starts the explanation of how to remove the factory radio.

http://www.installdr.com/InstallDocs/Toyota/PDF/869013.pdf

Hope this "Fixes Ya" problem. ;-)

normally stock stereos don't

Here are the correct factory radio wire colors with definitions.

Car Radio Battery Constant 12v+ Wire: Blue/Yellow
Car Radio Accessory Switched 12v+ Wire: Gray
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: Green
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: Black/Red
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 6 1/2′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Purple
Right Front Speaker Positive Wire (+): Green
Right Front Speaker Negative Wire (-): Blue
Car Audio Rear Speakers Size: 6 1/2′
Car Audio Rear Speakers Location: Side Panels
Left Rear Speaker Positive Wire (+): Black
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Red
Right Rear Speaker Negative Wire (-): White
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I agree with lobsterman...Aftermarket radios kill the gauge fuses.