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626 Stereo Wiring Diagram


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#1
snailman153624

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Ok, so since I was soldering a bunch of wires behind my dash today [installing component speakers and custom mounting the Infinity tweeters....] I figured I might as well write down the ACTUAL wiring colors in my 1994 626 V6 M/T.

The guide I used to install my radio initially was from http://www.installdr.com The pinout is correct but the colors are completely wrong, plus they leave out some optional wires. These are the wires located directly behind the radio in the dashboard.

Here is what I discovered:


Car:...........Aftermarket Radio:.............Function
blue/white......red.....................................+12V ignition [switched]
blue/red..........yellow................................+12V battery [constant]
orange............orange...............................+12V headlight switched [for dimmer function]
red/green........blue/white.........................+12V remote/power antenna lead
blue/green......white.................................Left Front Speaker (+)
blue/black.......gray..................................Right Front Speaker (+)
blue................white/black.......................Left Front Speaker (-)
blue/orange....gray/black.........................Right Front Speaker (-)
green/black.....green...............................Left Rear Speaker (+)
green/orange..green/black......................Left Rear Speaker (-)
yellow/green....purple.............................Right Rear Speaker (+) <---may have been green/yellow hard to tell
green..............purlple/black......................Right Rear Speaker (-)

The ground wire is the thicker black [may have stripe] cable with a female spade connector on the end of it.

Anyway, this should help you folks [like me] who don't have the factory harness in their cars. :huh: BTW I tested all of my amps [I only have 1 set of preouts] and they all sound fantastic :biggrin:
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#2
snailman153624

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Man I love it when I find old posts of mine that end up helping ME out :lol: Wiring up the MX-6 and it too had no factory harness inside. Figured I'd solder in the radio harness while the dashboard was completely removed :unsure:

#3
RJ45

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Are those the same color wires that go into the Bose Amp? or do the colours change?

#4
wrist

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The power of the internet! I was messin about for ages and searched on the net and hey presto - a magic thread about wiring a 626. Brilliant.

Many Thanx B)

#5
Curious1

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I Have a 93 626 and no harness.

Do you think that these colours are the same for the 93 model? If not, do you know what the colours are?

Ne help would be great. :rolleyes:

#6
snailman153624

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I Have a 93 626 and no harness.

Do you think that these colours are the same for the 93 model? If not, do you know what the colours are?

Ne help would be great. :rolleyes:

Should be the same.

#7
Curious1

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OK, i connected the colours and the heddeck started to work, but after wiring it all up its stopped working for some-reason.

I think iv blown a fuse because the dash clock isnt working either. Do you have the fuse diagrams for the 93 626???
:(

#8
snailman153624

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Check the fuses in the kick panel by the driver's left foot. Should be a 15 or 20 amp fuse.

#9
Curious1

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Yerr...it was the fuse that was blown, and after changin it, it started to work. :biggrin:

#10
XeNoMoRpH

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Posted Image

A.......+12 Volt Ignition Wire
B.......+12 Volt Constant
C.......Postive Dimmer
D.......not used
E.......Power Antenna Turn On
F.......Illumination
G.......not used
H.......Remote Amp Turn On
I.......Left Front Speaker (+)
J.......Right Front Speaker (+)
K.......Left Front Speaker (-)
L.......Right Front Speaker (-)
M.......Left Rear Speaker (+)
N.......not used
O.......Leaft Rear Speaker (-)
P.......not used
Q.......Right Rear Speaker (+)
R.......Right Rear Speaker (-)
S.......not used
T.......not used

This is what I got for the stock Bose sound system in my car. Hopefully someone else can use this information...

*EDIT*
This is from a 1999 Mazda 626 ES. I don't quite know which other years/models would be compatible. If you do know, PM me and I will edit as necessary.

#11
snailman153624

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You should list the year/model/trim to which that information applies ;)

#12
c-boogie

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so in regards to the first post are the colors u gave the same for a 99 model

#13
bcomsa

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I have a 1989 626 without power antenna, and the wiring diagram on installdr matches *except* I have an extra wire Blue/yellow stripe. I don't know what it connects to. The wiring harness to the new stereo connets up fine and I can play CDs, but I only get white-noise for all radio! My old factory stereo had a cassette player, but when I disconnected that blue/yellow wire on the old stereo, I lost all radio.
What do I do with the blue/yellow wire to get radio reception back?

Bc

#14
Jay69

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what i did in thi situation, is when i was hooking up my new stereo, i just snipped the wire clips off and spliced the speaker wires to the radio wires. (my new stereo was marked) turns out that apparently mazda used the same same wire setup for most of the 626/MX6's. worked just fine on my '88 and '91

#15
chad_av

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Here is a breakdown of the wiring for a 91 626 (Which should be the same for all of them from 88-92, but what do I know?)

I've searched and searched and not found one correct list. So, I used a MultiMeter and a radio to find what each thing is.


POWER
+12V Accessory On.....................Blue with White Stripe
+5V Always On (memory)................Blue with Red Stripe
Ground................................Black

Front Speakers
Left (+)..............................Blue with Orange Stripe
Left (-)..............................Blue with Black Stripe

Right (+).............................White (may also be gray)
Right (-).............................Blue with Green Stripe

Rear Speakers
Left (+)..............................Green with Red Stripe
Left (-)..............................Green with Orange Stripe

Right (+).............................Green
Right (-).............................Green with Blue Stripe

ACCESSORIES: Extra wires
Antenna Extend........................Pale Green with Yellow Stripe
Amp Power On*.........................Blue with Yellow Stripe
Dimmer (+)............................Red with Black Stripe


* There is a small amp with an even smaller sub bass speaker underneath the front Passenger Seat in my 626 LX




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