Volt /Ammeter at odds ??

So by the first photo, if I run a wire from the relay ( thru a fuseable link) to both of the ammeter wires, I eliminate the ammeter and my bulkhead problem ?? .. It's a '68 b-body.
Why do you think there is an ammeter problem?
The connection I circled is the alternator output wire, R6.
It goes from the alternator's output stud to the main splice.
The one terminal on the ammeter also connects to the main splice.
That makes it a relatively easy connection and a good place to divide the load when the battery is charging.
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