Horace; If you pulled the ground post, and the engine is continuing to run, then you have a grounding problem in which the electrical system is still being grounded.
With a VOM perform an open circuit test to check for an open circuit.
The Pantera ground is rather complicated in that the ground wires are looped from one device to another and all end up at a grounding stud located up under the dash on the driver's side.
Another place to look is the charging indicator light on the back of the speedometer where you should have a 15 ohm resistor in parallel with the charge indicator light.
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