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Old 10-15-2000, 09:28 AM
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Join Date: Jul 1999
Location: NY, NY USA
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Iím installing a car alarm on my í85 190e this weekend and I need to know how to access the ignition switch wiring harness. I want put in a starter kill switch and have to cut the starter (violet/white) and ignition (Red/Black) wires. Does anyone know where I can locate these two wires?

Also does anyone know how to hook-up remote door locks. Iíve never worked with a vacuum locking system before. Do you have to add an actuator or can you wire up an existing actuator in the door. Iíve noticed that each one has 3 wires going into it. Has any one done this?

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Old 10-15-2000, 08:05 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
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There is an easy place to access the start wire. IT is mounted on the firewall right behind the oil filter and has a connector there already. (No wires to cut)

The vacuum locks have to be wired with two relays. This is not easy. You will need a wirring diagram to do this.

Donnie Drummonds
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Old 10-17-2000, 01:59 PM
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Join Date: Jul 1999
Location: NY, NY USA
Posts: 104

Thanks for the reply. I finished 90% of the alarm this weekend and will do the starter wire next. Can you tell me what color the wire is?

Also, I have a wiring diagram and am somewhat familiar with relays. Can you give me the proceedure on how to wire up the door locks?

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Old 10-17-2000, 08:23 PM
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Join Date: Jul 1999
Location: NY, NY USA
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I found this diagram for vacuum locks. If this is correct, what color wire should be cut and where is the location of the wire? My alarm also supports a 3-second pulse.


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