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midnight911 midnight911 is offline
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Join Date: Apr 2007
Location: PDX, OR
Posts: 974
Garage
these are useful. i have them in my cars. my 911 started showing 12.x and 11.x volts. Indeed the brush was gone. replaced the VR and back at 14+V when running. some people also have these to monitor voltage surge which results in battery explosion.

https://www.amazon.com/s/ref=nb_sb_ss_i_1_13?url=search-alias%3Daps&field-keywords=volt+meter+cigarette+socket&sprefix=volt+meter+ci%2Caps%2C227&crid=1O6JBYDB6FMKQ
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1984 911 Carrera Coupe - 32C #73 - M64/05
1998 E36 M3 4dr
1989 E30 325i 4dr
2006 Sienna 5dr - the hauler
2010 Cannondale Caffeine II - Lefty
Old 10-06-2018, 09:34 PM
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