Quote:
Originally Posted by Fat Charlie
It's a two part fix.
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Yes, if you are referring to cleaning the battery terminals. I wouldn't bother with a spray anywhere else and I would still clean the battery terminals with a brush.
Unless I am mistaken this thread is mostly talking about the grounds from the fuse box to the engine, engine to firewall, etc, not the battery terminals. For non-battery terminals, it is only effective to remove the bolts that hold these terminals whatever they are bolted to and manually remove the corrosion with a wire brush (careful with the brush or else too much terminal may be removed) or sandpaper. For example, on the chassis to engine ground cable, remove the bolts that hold the cable down, clean both terminals and then both the chassis ground point and the engine ground point. Reinstall. It is doubtful a spray will be able to penetrate and remove the corrosion.