From digest.v6.n713 Fri May 30 14:42:38 1997
From: Aaron Buckley <abuck_at_us.ibm.com>
Date: Thu, 29 May 1997 15:21:38 -0400
Subject: Re: E30 Wiring Info
About a week ago, I installed a factory E30 alarm in my '91 318is. To put it
plainly, it wasn't a fun job. It works perfect, but it took a long time
primitive instructions. Anyway, I have some info that will be helpful:
- Leads to Central Locking Unit are Brown with a red stripe and Brown for
- The ignition wire is hot wire is located on a plug on the underside of the
steering column. The plug is actually 3 plugs integrated into one. The
main plug unclips from the steering column, and when you separate the 3
plugs, it's the only red 8 gauge wire. It goes straight through the firewall
to the fusebox.
- From the way I understand the door trigger, if you connect your door lead
from the alarm and splice in the original brown/violet door lead, when the
opens, this the original lead sends power to the interior lights.. thus
completing a circuit and setting off the alarm. It all depends on what brand
alarm you have though... If you have any other questions, you can write me at
As in life... Go Bavarian!!
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