bmw old alpine alarm sound on dei 554r

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: December 03, 2011 at 12:53 AM / IP Logged

You're right it is only the lock pulse, try using the siren pulse to feed the 528t, use this modified diagram:- Z88_siren_sound.bmp

This time the horn output goes directly to the 528t BLACK/ white wire and you cut the 528t blue loop.

This will give you the silent arming option and should work properly, i.e. no double chirp when there should only be one.

magas

Member - Posts: 12

Joined: November 30, 2011

Location: Florida, United States

Posted: December 03, 2011 at 2:02 PM / IP Logged

Dang it!

I hooked it up and tested it but can't get a positive pulse from the orange wire

At all.

The 528 t clicks but none of the output wires supple a 12v output to make the siren chirp.

Any ideas?

magas

Member - Posts: 12

Joined: November 30, 2011

Location: Florida, United States

Posted: December 03, 2011 at 3:00 PM / IP Logged

Howie thanks for the help, here is how I finally did it

12v constant to red and yellow

Ground to black

Blue loop cut

12v alarm pulse from alarm to BLACK/ white

Yellow unused

Brown to siren as 12v to make sound

Thanks again hopefully will help someone else

magas

Member - Posts: 12

Joined: November 30, 2011

Location: Florida, United States

Posted: December 03, 2011 at 4:51 PM / IP Logged

Crap!

Well here is the latest update. The lock unlock soft chirps work fine but the alarm sound is very weak soft chirps! I adjusted the alarm between constant siren output which produces no sound to intermitamt on which

Only makes soft chirps.

This sucks. Any one have a solution?

magas

Member - Posts: 12

Joined: November 30, 2011

Location: Florida, United States

Posted: December 03, 2011 at 4:53 PM / IP Logged

I just need something that will increase a 0.5 second pulse to one second and a constant pulse to constant.

magas

Member - Posts: 12

Joined: November 30, 2011

Location: Florida, United States

Posted: December 03, 2011 at 5:40 PM / IP Logged

Finally fixed it. Well I decided to keep the setup and placed some one way diodes and bridged the siren output to siren input in addition to what I did b4. Finally works perfect.

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bmw old alpine alarm sound on dei 554r

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