325 RADIO WIRING HELP PLEASE - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 08-02-2004, 11:58 PM
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Please help me, I just bought my first beemer at age 50! The wires from the radio are all cut off, and I need to know which one is which! Please help, your help is appreciated.
Thanks,
mv1204@sccoast.net
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#2 (permalink) Old 08-03-2004, 09:47 PM
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omg, I'm in the same damn boat. lol.
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#3 (permalink) Old 08-04-2004, 07:47 PM
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NO ONE ON THIS BOARD HAS ANY RADIO DIAGRAMS!!!!! I TRIED SEVERAL TIMES TO GET A PIN DIAGRAM FOR A PREMIUM SYSTEM OUT OF A 90 CABRIO. YOU WOULD THINK I WAS FROM MARS BASED ON THE RESPONSES I GOT. FINALLY GAVE UP AND BOUGHT AN AFTERMARKET DECK AND REWIRED THE CAR. GOOD LUCK, MAYBE IF ALL YOU NEED IS THE WIRE DIAGRAM SOMEONE MAY HAEL BUT FORGET ABOUT GETTING A PIN DIAGRAM FROM THIS FORUM. HAVE FUN
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#4 (permalink) Old 08-04-2004, 08:11 PM
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Ok.. easy way to get a diagram...... so to a radio shop... and they should have what is called an adapter plug made for BMWs. Just ask.. and they will show it to you... and it comes with a wiring diagram that shows what wires connect to the wires on the adapter... thus showing you what the cars original wires are.

Hope that is a different look on trying to find a wiring diagram... hope it helps...


1997 E36 M3 1990 E30 325i
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#5 (permalink) Old 08-04-2004, 10:00 PM
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aww that fucking blows, my best advice is to take it to a GOOD stereo shop some1 respectable, no mini places cuz they rip u off, go 2 some well known one, such as al&eds or bestbuy/circuit city cuz their prices stay the same roughly...they have standards. lol not like those ma and pop stereo shops whr they charges u watever they want


^^I want this where I live.

"Drag racing a BMW is like going fishing with a hooker, it's fun but it's not what you got her for..." - M3DUDE

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#6 (permalink) Old 08-08-2004, 05:14 AM
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Ok dude. The black one is ground thats for sure Then remove the panel under the steering wheel and check the color of the wire that goes inside the left front speaker. Check the color for the right front speaker by removing the panel protecting the right front speaker. Then go to the trunk and look under the back screen. You should see the other wires that goes to the left and right back speakers. Then get a voltmeter and check which one is 12V from that bunch of cables on the photo...

I hope that helps. This is how I installed my aftermarker AIWA cd player a week ago.

p.s. All speakers share a common ground.

<span style='font-size:11pt;line-height:100%'>
It seems they wanna finger print me and gimmie some years
They'll only get 1 finger while I'm shifting gears
</span>
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Drag racing an m3 is like going fishing with a hooker, it's fun but it's not what you got her for.
There's no replacement for displacement.
I need to know!
</span>
<img src='http://steen.hit.bg/i_hate_riceers.png' border='0' alt='user posted image' />
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#7 (permalink) Old 08-08-2004, 05:37 PM
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hey thats pretty smart...wow that is a good idea man!


^^I want this where I live.

&quot;Drag racing a BMW is like going fishing with a hooker, it's fun but it's not what you got her for...&quot; - M3DUDE

Manual - The transmission hated by moms/wives/girlfriends everywhere...

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#8 (permalink) Old 08-08-2004, 09:58 PM
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Hey Guys,
I found a wiring breakdown that matches my 325, is from newer model, so may help out many others!
Enjoy!!!!!!!!

Yellow/Red - Left front + (found on fader in dash) Yellow/Black - Left rear + (found on fader in dash) Blue/Red - Right front + (found on fader in dash) Blue/Black - Right rear + (found on fader in dash)
Yellow/Brown - Left channel ground (found on connector at radio) Blue/Brown - Right channel ground (found on connector at radio)
Brown - Head unit ground (found on connector at radio) Grey/Violet - Switched 12Volts (found on connector at radio)
Grey/Red - 12Volts switched on with lights (found on connector at radio) Green/Red - Constant 12Volts (found on connector at radio)
White - Power antenna feed (found on connector at radio)
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#9 (permalink) Old 08-09-2004, 05:50 AM
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WOW that table is great! Wish I had it a week ago. It could have saved me a lot of time

<span style='font-size:11pt;line-height:100%'>
It seems they wanna finger print me and gimmie some years
They'll only get 1 finger while I'm shifting gears
</span>
<span style='font-size:8pt;line-height:100%'>
Drag racing an m3 is like going fishing with a hooker, it's fun but it's not what you got her for.
There's no replacement for displacement.
I need to know!
</span>
<img src='http://steen.hit.bg/i_hate_riceers.png' border='0' alt='user posted image' />
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