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Old 06-12-2017, 06:25 AM   #92
Reformed SAABaholic
Join Date: Nov 2009
Location: NW Georgia

Originally Posted by soclosenotnear View Post
Any idea what they're for?
Cylinder head sensor grounds..... as he said, they go on each side of the back set of tiny valve cover studs. Many things on these engines have 0-5 VDC sensor, and you can't have too much ground back to the battery. The Volvo electrical engineers put them there for a reason.
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