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  1. #1
    MidshipExpress canadam's Avatar
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    Toyota OEM Stereo Wiring Information

    I happened to see this on SupraForums, and figured it would be very useful here as well- especially for those looking to upgrade to a newer OEM headunit.

    Quote Originally Posted by Ishii View Post
    Ok, Hopefully this will help everyone see how Toyota Radio’s work and what you can do to install different radios in your Toyota. This will be a rather long post and I’ve been known to leave out information that seems important to some people, so please try to understand what I think is implied.

    There are basically 2 types of Toyota Stereos:
    1. Internally Amplified (the amplifier is in the Stereo)
    2. Externally Amplified (the amplifier is a separate component)

    For the Internally Amplified Stereos I’m only going to discuss the most common type which is the 10pin 6pin Stereo.


    10pin 6pin
    This set up is pretty much used on almost all Toyota cars except for the upper end models. You will find many different 10pin 6pin type stereos, they are available in a single din or double din sizes and different combinations of drives.
    The back of a Toyota 10pin 6pin radio looks like this.

    The connections you should be looking at are the ones Labeled 10pin and 6pin, I will discuss the 12pin connection later.

    Here is the wiring pin out of the 10pin connector:

    1: FR+
    2: FL-
    3: ACC
    4: +B
    5: FR-
    6: FL-
    7: GND
    8: ANT+
    9: AMP+
    10: ILL+

    Here is the 6pin connector pinout

    1: RR+
    2: RL+
    3: RR-
    4: (usually unused)
    5: LL-
    6: RL-

    Here is a picture of the connectors that plug into the 10pin 6pin Stereo


    Now, if you were going to install a aftermarket radio into a car that has the above 10pin 6pin connectors you would wire these connectors into your aftermarket radio to plug into the above connectors (they mimic the back of a 10pin 6pin stereo)
    Parts for sale: German Radio Trim -- Dandism Glass -- '98+ Steering Wheel -- K-Sport Endlinks -- TRD HIDs -- TRD FPR -- and more!!!
    Click --> Here <-- for my parts for sale.
    Click --> Here <-- for my Modifications List.
    See this thread http://www.mr2.com/forums/feedback/Toyota-MR2-56571-warning-boosted-91-tycoon788-other-scammer-2.html#post970219 for Boosted 91 dispute resolution.





  2. #2
    MidshipExpress canadam's Avatar
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    Quote Originally Posted by Ishii View Post
    Next is the 14pin Externally amplified Stereo
    Here is a picture of the back of a 14pin stereo


    And here is a picture of the 14pin connector that plugs into the 14 pin radio

    Here is the pinout of the 14pin connector

    1:AMP
    2:ILL+
    3:+B
    4:MUTE
    5:FL
    6:FR
    7:ANT
    8:LL-
    9:ACC
    10:GND (SLD)
    11:SGND (FADE)
    12:BEEP
    13:RL
    14:RR



    Next is the 15pin Externally amplified Stereo
    Here is a picture of the 15pin connector on the back of a 15pin Stereo


    And here is a picture of the connector that plugs into the 15pin stereo


    Here is the pinout of the 15 pin

    1: AMP
    2: ILL+
    3: ACC
    4: +B
    5: MUTE
    6: FL
    7: FR
    8: ANT
    9: LL-
    10: (normally unused)
    11: GND (SLD)
    12: FADE
    13: BEEP
    14: RL
    15: RR

    You can easily add a aftermarket head unit and continue to use the Factory amplifier.
    You will need to buy a “Toyota amplifier integration harness”
    I think it is made by Metra and the part number is 70-8112
    It looks like this


    Next is the 20pin Externally amplified Stereo
    Here is a picture of the 20pin connector on the back of a 20pin stereo


    Here is a picture of the 20pin connector that plugs into the stereo


    Here is the pinout of a 20pin

    1: +B
    2: ILL+
    3: AMP
    4-6 (typically unused)
    7: MUTE
    8: FR
    9: FL
    10: GND (SLD)
    11: ACC
    12: LL-
    13: ANT+
    14, 15: (typically unused)
    16: FADE
    17: BEEP
    18: RR
    19: RL
    20: GND (ground to chasis)

    The 20pin externally amplified system can also use a Amplifier integration Harness
    I believe it is made by “Metra” and the part number is 70-8113
    Parts for sale: German Radio Trim -- Dandism Glass -- '98+ Steering Wheel -- K-Sport Endlinks -- TRD HIDs -- TRD FPR -- and more!!!
    Click --> Here <-- for my parts for sale.
    Click --> Here <-- for my Modifications List.
    See this thread http://www.mr2.com/forums/feedback/Toyota-MR2-56571-warning-boosted-91-tycoon788-other-scammer-2.html#post970219 for Boosted 91 dispute resolution.





  3. #3
    MidshipExpress canadam's Avatar
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    Quote Originally Posted by Ishii View Post
    CD Changers

    CD changers can be added to most newer Toyota Stereos that use the 12 pin connector
    Here is a picture of the back of a radio with the 12 pin connector


    And here is a picture of the connector from the CD changer that plugs into the 12pin connector


    Basically, any Toyota CD changer, weather it’s a trunk mount, glove box mount or a indash that has a 12pin connector can be plugged into a Toyota stereo that has a 12pin input. (unsure if a indash 6-disc stereo can control a external CD changer even though it has a 12pin input as I have never tried or been given confirmation that it will)

    Now, the cool thing about stereo’s that have a 12 pin connector is that you can buy and aftermarket black box that connects an I-pod directly to the stereo, I have never tried it but here is a link to what I’m talking about.
    (Note: you can’t use a CD changer if you use this device, it’s one or the other)
    http://www.discountcarstereo.com/detail.aspx?ID=842

    You can also get this neat device that lets you plug in other auxiliary devices directly:
    http://www.discountcarstereo.com/detail.aspx?ID=705


    Basic Navigation unit
    Here is a picture of the back of a basic navigation unit:


    The only wiring that you might need to know for this unit is the 5pin Navigation input connector.
    Here is a pinout for it:

    1: Parking brake
    3: Speed sensor input
    5: Reverse input
    3 and 4 you will not need to wire.
    You will most likely need to buy this connector if you are adding a nav unit in a vehicle that didn’t come with Nav.
    The 5pin connector part # is:
    90980-11909
    And you will need 3 wires with this Part #:
    82998-12690



    About interchanging externally amplified Stereos

    The 14pin, 15pin, 20pin all operate the same. If you have one type of connector in the car, you can change the end to a different one.

    I have made an adapter for a car that originally has a 15pin connector to plug into a 20pin connector. But, it has been hard to find parts to do this at a reasonable price. Recent availability of some parts may change this. I will add information about this as it comes closer to being worked out. (I know a lot of you have been waiting for this for years, I’m sorry I’ve been busy)

    You can also add a factory amplifier to a vehicle that originally was only a 10pin 6pin.
    You can find Toyota factory amplifiers that you simply plug in the harness side connectors (10pin and 6pin) into the amplifier and then plug the 14 or 15 or 20pin connector from the amplifier into the corresponding stereo. You can find these amplifiers on Ebay sometimes. So depending on which connector the amplifier has you will need the a stereo with a same connector. Meaning if you get a 15pin amplifier, you will need and externally amplified 15pin connector Stereo also. For example, a unit like this:



    Stereo Width and illumination color
    You must be careful when purchasing a different factory stereo. It must be the same width. So look at the pictures in the ads you find. For any Supra, the stereo must be 7” wide. You can tell when you look at a picture of the stereo, If the face is the same width as the body of the stereo than it is the 7” wide unit. If the face is wider than the body than it is not a 7” unit.

    You must also be careful of illumination color. Most are green, but stereos that came out of newer Tacoma Trucks for example mostly illuminate red.

    I will add to this post in the future when I have more information, if anyone would like to add anything please do and any question please post here, I don’t like PMs!

    Ishii
    Parts for sale: German Radio Trim -- Dandism Glass -- '98+ Steering Wheel -- K-Sport Endlinks -- TRD HIDs -- TRD FPR -- and more!!!
    Click --> Here <-- for my parts for sale.
    Click --> Here <-- for my Modifications List.
    See this thread http://www.mr2.com/forums/feedback/Toyota-MR2-56571-warning-boosted-91-tycoon788-other-scammer-2.html#post970219 for Boosted 91 dispute resolution.





  4. #4
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    14-pin Connector

    Good pics. Any idea where I could get a 14-pin plug? I bought the head unit on eBay thinking the plug was included, but noooooooo.

    There's also a 9-pin [all in one row] connector on the back of my unit (model 56802, ref # CQ-MS3010A)--any idea what they'refor?

    Thanks,

    Cliff

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    can anyone post pics of the 14pin out connector... please...

  6. #6
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    Red X's FTL

  7. #7
    MYTOY Tagg67's Avatar
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    Toyota OEM Stereo Wiring Information

    Can someone repost the photos for the 10 and 6 pin connections. My car has the plugs, but only 3 are in the cluster, and 1 on the other. All the wires are there with the metal tips, I just don't know where to put the wires.

    Thanks,

  8. #8
    Cage Fighter Xenon676's Avatar
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    Anyone ever see a radio harness like this one? It's in a 85 Mk1 with a radio/tape player, no alarm, sub under the seat of course.

    One single pin lead - blue with brown

    these are in a 9 pin connector:
    2 each solid green wires
    red/black
    black/red line
    yellow/brown
    white/brown
    pink/blue - this wire has 12.5 volts with key on and .5 volts when off
    white/black

    I cant find a post anywhere that has this configuration on it. So far i have traced,
    Yellow/brown and white/brown to the left front speaker. thats as far as I have gotten so far will update as i figure them all out unless someone can fill me in on this radio plugs config.

  9. #9
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    Quote Originally Posted by Xenon676 View Post
    Anyone ever see a radio harness like this one? It's in a 85 Mk1 with a radio/tape player, no alarm, sub under the seat of course.
    Yes,

    Single pin goes to the 10A Hazzard/Radio Fuse.

    The 9 Pin goes as follows:

    1: FR+
    2: FL+
    3: ACC
    4: (NOT USED)
    5: FR-
    6: FL-
    7: E (ground)
    8: AMP ( To Pin#3 of the woofer amp [6pin connector on amp])
    9: ILL+ (from 15amp "tail Lamp" fuse)


    Woofer amp (6pin connector):
    1: goes to the 10A Hazzard/Radio Fuse
    2: Connects to the FL+ (see above)
    3: Connects to "AMP" on the Stereo (pin8 see above)
    4: (NOT USED)
    5: Connects to Ground
    6: Connects to FR+ (see above)



    You can see the original Toyota radio information here:
    Radio Information

    Ishii

  10. #10
    Cage Fighter edj628's Avatar
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    someone update this... :L

  11. #11
    Some Skills nickk's Avatar
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    Is there any way to cut off the 14 pin plug and connect the harness to 10pin 6pin plugs?

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