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Details of the Problem
Extra caution should be
taken when installing a new reproduction electrical box on the firewall
of your Model A. The electrical posts in the reproduction box are
installed by inserting two bolts through the back. The head of the bolts
are exposed but countersunk into the back of the box. With the original
box, the head of the bolts were encapsulated into the bakelite material
and not exposed in the back. In time, the bolts in the reproduction box
can work loose, back out, and touch the firewall. This will cause a
short circuit which can blow a fuse, or worse, cause a fire.
Solution
To insure that future
shorts will not be a problem, fill the countersunk area above the
exposed bolt head with silicone adhesive before installing the box. This
will insulate the bolt heads from the firewall.
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