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Old 05-26-2004, 11:15 AM   #5
cgr
Gnarly Adventurer
 
Joined: Mar 2003
Location: boston,ma
Oddometer: 162
aerostich used to sell an led digital guage with multiple bars - I got one at aircraftspruce.com for 1/2 the price. It wasn't very accurate compared to my handheld meter.

What I do use is from RadioShack for $5 - you could hard wire it to the battery or add a BMW plug.
http://www.radioshack.com/product.as...ct%5Fid=22-112
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