Alarm bypass on 2009 LT - BMW Luxury Touring Community
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post #1 of 9 Old Jun 30th, 2014, 12:21 am Thread Starter
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Alarm bypass on 2009 LT

After the battery ran down the alarm fuse popped and continues to trip without the key. I have read several threads that suggest the alarm is now OD and it was suggested to short pins 3 &4, and 5 & 6 to bypass it and restore the brake light and horn. The picture I saw on one post appears to be a different harness than mine and I suspect it might be from an older model. Does anyone know which pins to short on a 2009?

Sir Binkley in Saskatoon, Sk

2009 BMW 1200LT
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post #2 of 9 Old Jun 30th, 2014, 10:56 am
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Re: Alarm bypass on 2009 LT

There are no pins to short on a 2009( just did mine) Its a series of steps with your clicker which I dont have available but did find it here
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post #3 of 9 Old Jun 30th, 2014, 7:35 pm
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Re: Alarm bypass on 2009 LT

If you want to bypass the alarm altogether then follow this:

To get the bike running again you need to jumper the following pins on the 12 pin connector. Pin 3 (black/white/yellow) to pin 11 (black/yellow); this is the starter button signal to the starter relay. Then jumper pin 10 (green/violet, switched power) to pin 6 (blue/violet, engine electronics relay) and to pin 2 (green, flasher power). Now the bike will start and run normally.

The previous poster was describing turning the immobilizer off which is a common reversion when changing batteries to defaulting on.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
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Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #4 of 9 Old Jul 1st, 2014, 3:15 pm Thread Starter
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Re: Alarm bypass on 2009 LT

Just had to cut out the power feed on the 3 wire connector (Red/White) Now alarm is out of the way and my horn and brake light are OK.
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Sir Binkley in Saskatoon, Sk

2009 BMW 1200LT
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1979 Kawasaki 1000 Mark 2 (Sold)
1976? Kawasaki 900 (torn chain blew up engine)
Honda 350 4 cylinder (Sold)
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post #5 of 9 Old Jul 1st, 2014, 6:25 pm
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Re: Alarm bypass on 2009 LT

Usually that is not an issue but each alarm failure is different. Glad that solved the problem.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #6 of 9 Old Aug 10th, 2018, 5:11 pm
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Re: Alarm bypass on 2009 LT

Will this also fix the immobilizer? Thanks Al
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post #7 of 9 Old Aug 10th, 2018, 5:15 pm
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Re: Alarm bypass on 2009 LT

Yes The immobilizer function interrupts the engine electronics relay. You will bypass this see the other post.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #8 of 9 Old Aug 10th, 2018, 5:26 pm
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Re: Alarm bypass on 2009 LT

Thanks for the quick reply. I'm assuming the other post is the 5 wire jumpers?
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post #9 of 9 Old Aug 10th, 2018, 10:11 pm
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Re: Alarm bypass on 2009 LT

Yes and the same as post #3 above. It is not 5 wire jumpers put two sets: one with two wires and one with three. Also unplug the three pin plug at the alarm to stop blowing the fuse #4.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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