The stock fan motor is a Jaguar windshield wiper motor, available from any Pantera vendor. Better, cheaper motors are also available. Try the San Diego swap meet in July for used ones. Also check your fuses- they commonly corrode slightly and do not conduct but look OK visually. As for the temp sender, it should not be in the water tank. Move it to the plugged hole below the thermostat where Ford designed it to fit. Use the removed plug to fill the unused port in the water tank. The engine desperately needs a thermostat. The brass washer works with the 351C thermostat to block off a warm-up circuit built into the engine. No thermostat= overheating as 25% of the water will bypass the radiator.
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