34

I think your guess will be correct. The clamp has probably been over-tightened in the past, has stretched and is no longer giving a good tight connection. The copper will have been added to act as a shim to make a tight connection.


4

Why copper? Because it is soft without being too plastic and easy to obtain. It is also highly conductive both thermally and electrically. Why do it? The terminal no longer clamps the post. The post is too small or the clamp is too large. This creates a sleeve. The thread on that bolt may also be stripped or seized. It is very commonly done to just hammer ...


1

I would first check that both sides of the battery cables are free of corrosion and connected correctly. Take a good look at the ground cable. Also when you say the battery is putting out 12.4v you should check if that is the same when you put your test-leads one on the positive battery post and the other on a frame screw or the engine. That should give you ...


1

It is difficult to say if the factory harness is better than the aftermarket unit from U-Haul or other specialty supplier. The quality can be as good as Subarus' or a universal unit designed to attach to almost anything with the use of adapters. The fact that the wiring was pinched in the trunk lid during normal use leads me to believe that it is a ...


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