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Alarm wiring color/locations

Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=9037
Printed Date: June 23, 2025 at 4:33 AM


Topic: Alarm wiring color/locations

Posted By: sampoarE34
Subject: Alarm wiring color/locations
Date Posted: February 04, 2003 at 2:39 AM

Hello,

I am the proud owner of a BMW E34 520i from 1992,
But it's hard to find the right wires like tacho-signal (For remote start)
engine start,ign.#1,ign#2,doorlock,unlock wires.
Does anyone know the wire color&locations ? I have tried a online wiring-plan but thats only for newer models.

Any experience ?
Thanks in advance,

Sampoar E34




Replies:

Posted By: jayts95
Date Posted: February 04, 2003 at 6:54 PM

|       ITEM      |     WIRE COLOR     |POL|       WIRE LOCATION        |
|              12V|red                 |+  |steering column             |
|          STARTER|BLACK / YELLOW        |+  |steering column             |
|         IGNITION|green               |+  |steering column             |
|        ACCESSORY|purple              |+  |steering column             |
|       POWER LOCK|WHITE/ RED / yel *1    |+  |anti-theft plug *3          |
|     POWER UNLOCK|blue/RED / yel *1     |+  |anti-theft plug *3          |
| PARKING LIGHTS +|gry/purple,gry/yel  |   |at light switch             |
| PARKING LIGHTS -|                    |   |                            |
|       HEADLIGHTS|yellow              |+  |at light switch             |
|     DOOR TRIGGER|br/gry,br/blu,br/ppl|-  |anti-theft plug *3          |
|  TRUNK/HATCH PIN|RED / white           |+  |anti-theft plug *3          |
|         HOOD PIN|                    |   |                            |
|  FCTRY ALARM ARM|                    |   |                            |
|FCTRY ALRM DISARM|                    |   |                            |
|       TACHOMETER|black               |   |at diagnostic conn. *2      |
|       BRAKE WIRE|blue/red            |+  |brake pedal switch          |
|     HORN TRIGGER|                    |   |                            |
|           WIPERS|                    |   |                            |
|  LF WINDOW UP/DN|                    |   |                            |
|  RF WINDOW UP/DN|                    |   |                            |
|  LR WINDOW UP/DN|                    |   |                            |
|  RR WINDOW UP/DN|                    |   |                            |

Notes:
*1 Do not operate locks by remote with door open or deadbolted to prevent possible damage to servos.  *2 Round plug with screw-on cover at pass. shock tower or by fusebox on driver's side.  *3 Anti-theft plug or module located under rear seat on passenger side. Door wires also found at general module under rear seat on driver's side. Be careful handling this module, as rotating it can cause underseat grommets to suck out, allowing eventual water damage to the electrical system. Domelight supervision wire BROWN / red at anti-theft plug.



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Posted By: sampoarE34
Date Posted: February 05, 2003 at 2:56 AM

Hi Jayts95.

Thanks for your reaction,
Where did you get this colors ? On the12volt.com i only find 525,535i and so on...
You sure its for a 520i ?
Where can i find the alarm-box connector because under rear-eat i see a blakc-box with a red eld but only with 3 tiny wires and a orange relay.

How can i activate "double-lock/arm factory alarm" which wire ? or both wires at same time ?

Regards,

Niels


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