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Speedy Squirrel Speedy Squirrel is offline
Rocket Scientist
Join Date: Jun 2008
Location: Detroit
Posts: 906
Ground point XII provides the ground for the Oxygen sensor control unit (under the drivers seat). Ground point XII is at the coil bracket. Again, this is only for M553 (US) systems, 1986-1988.
Old 02-23-2014, 06:53 PM
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