1988 bmw 325is starter relay

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Elizstoy

Member - Posts: 38

Joined: August 29, 2002

Location: California, United States

Posted: October 22, 2010 at 8:52 AM / IP Logged

I have a 1988 BMW 325IS it has an alarm already istalled i wanted to hook up the starter kill on it. What would be the correct relay wiring and diode placement for this vehicle. Thanks

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 22, 2010 at 1:22 PM / IP Logged

How do you intend controlling the starter kill, hidden switch, alarm etc. Tell me so I can tell you how!

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 22, 2010 at 1:22 PM / IP Logged

Also is this an E36 or an E46?

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 22, 2010 at 1:26 PM / IP Logged

Neg armed output from the alarm, also known as the GWA wire, probably orange (depends on the make of alarm).

GWA to relay 85.

Ignition to 86.

Starter lead cut, ignition switch side to 87a and starter motor side to 30.

Diode (1N4004) across 85 and 86 (solder to the base of the terminals) with the diode band facing 86.

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Elizstoy

Member - Posts: 38

Joined: August 29, 2002

Location: California, United States

Posted: October 23, 2010 at 12:20 AM / IP Logged

Howie thanks. It will be controlled by the alarm that is installed on the car already. The alarm is a TELECOM never heard of it someone said it was from BICRON I tried posting help for the alarm never got any replies. And the BMW is a 1988 E30 325IS. Again thanks for the help

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 23, 2010 at 1:36 AM / IP Logged

Looking at the photo in the other post, I'd say a pair of the four on the right might be for starter kill.

My other advice would be to dump it.

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1988 bmw 325is starter relay

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