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jamesqf · 03-01-2009, 11:23 PM

The difference between those and and a mpg unit is that they're stand-alone units which need nothing from the car except a 12-volt power connection.

03-01-2009, 11:23 PM	#9 (permalink)
jamesqf Master EcoModder Join Date: Jun 2008 Location: Earth Posts: 5,209 Thanks: 225 Thanked 811 Times in 594 Posts	The difference between those and and a mpg unit is that they're stand-alone units which need nothing from the car except a 12-volt power connection.