Alternator Noise Suppression - BMW Luxury Touring Community
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post #1 of 3 Old Jun 27th, 2006, 4:43 pm Thread Starter
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Location: Golden, CO, USA
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Question Alternator Noise Suppression

Since new have had an alternator whine in my headphones on the 2005 LT. Has anyone used a noise suppressor between the battery and alternator to eliminate alternator whine? If so, where can I purchase a high amperage unit?

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post #2 of 3 Old Jun 27th, 2006, 5:51 pm
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Eliminating alternator whine is easiest and cheapest by using GLI (ground loop isolator) cables on the devices that are picking up the whine via a ground loop.

Two questions...
What intercom system do you have?
What other devices do you have that are powered by the LT's 12V system? (i.e. cell phone, iPod, FRS/GMRS or CB radio, etc.)
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post #3 of 3 Old Jul 13th, 2006, 11:07 am
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Location: Waccabuc, NY, USA
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I could wait for an answer to messenger13's questions, which are right on target, but in the meantime....

If you are using Baehr intercom, Raffy sells an isolator ($79.95) that is plug and play. I used it to eliminate the "whine"

Laurence Hendrick

2008 K1200GT, Dark Graphite (Oh my, so fast!)
2005 LT Ocean Blue (Sold and comfort will be missed, but not the weight)
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