MX-3.com

History : On December 25th 2005 my 1994 mazda mx3 GS was broken into. Great christmas present. Never the less they took my deck, door speakers and subs from the trunk and left a broken window for me on the drivers side.

Today: Alright. I;ve got a new deck and door speakers so far and was going to do some installing today however I ran into some problems. When the bastards who broke into my car did so, they acted quickly and actually cut the deck out of the car . So right now I have 12 wires sticking out of where im sure a clip that the new deck that i;ve purchased would have snapped into nicely.

Now: So this means I can't just go out and buy a harness and connect that to the new deck. So im searching for wiring codes for the mx3 but with no results. I dont know everyone... I dont know... I love my car. I just want some help on how I should go about and install this new deck.

Please: The new deck is 12 wires as well, but is labeled. I see that 8 of the wires are the speaker wires so that leaves me with 4 other wires. 12V , Ground, Memory, and Antenna. Haha, sorry for the long post... but I need help. Thanks . !

Its in the online manual - Page T-J-004 shows the connector labels and T-J-005 shows the wire colors.

http://www.mx-3.com/95manual

OK. I have a 94 so I guess the Manual was different. None the less thanks for the 2 pages. It sectioned off the speakers for me at least. The problem I guess lies in what colour GY/B or what colour V is! and where the other four important colours lie on this diagram. Is W/R White Red ? And is that Power ?

Mine is a 94 as well and 94-95 are the same model. 92-93 is the SOHC model and the radio harness still might be the same. There is a section in the manual (under wiring or something) about how to read electrical circuit diagrams and what the color codes mean.

There are 3 connectors (12 pin, 8 pin and 1 pin) with a total of 17+1 wires - the 1 wire is the ground. The antenna plugs into a separate socket.

If you see only 12 wires maybe you should fish around more for the rest of the wires - when all is done - not all of them will be connected - but they atleast need to be taped off.

Another thought - I assume you had an aftermarket head unit (which was stolen) - if it was professionally installed - they might have used a harness adapter already and only the harness adapter wires might have been cut and not the harness itself.....

When Fieromx3 had his Talon, I don't know what happened to the deck, but it was basically wired directly to the stock harness. Trying to find the diagram to wired in a new deck in a PITA, and could make things complicate if you want to change decks or revert back to stock. What we did actually, we made a run to a junk yard to get some Mx-3 parts, and we found a Talon with the deck taken out, so we cut out the radio harness out of it (as much as we could pull out). It took me about an hour (made it hard to do the last half dozen wires, with the sun doing down, and an extension cord switching between a soldering iron and a light), but I re-soldered and shrink-wrapped all the wired from the connector to the stock harness. Now, for that car, all the owner needs to do its go out and buy a new deck of his choice, get the adapter harness and plug it in (sure, that take some soldering, but your just matching up color-for-color, really easy and straight-forward.) or can pick up a stock deck for cheap and put that into it as well.

Personally, I would recommend to take the time and put in the stock harness connector again (if that's what has been broken). It'll save you work and headaches in the future. I dont think there should be a reason why the stereo harness and connector would of changed over the years, and between RS and GS. It just had a basic tape player. Even if you had the CD player and/or CD changer, it interfaced with the tape player andn not the car's harness, so the harness shouldn't be different

Alright guys that for all the help. I was able to visit a junk yark today and found a mx3 with its harness still intact. I pulled that and was able to match the colours with my mx3 and was able to get my deck up in running in 2 hours.

Frosti wrote:Alright guys that for all the help. I was able to visit a junk yark today and found a mx3 with its harness still intact. I pulled that and was able to match the colours with my mx3 and was able to get my deck up in running in 2 hours.