Assuming you are asking about the voltage regulator, the voltage regulator regulates the voltage being put out by the alternator or generator so not to overcharge or undercharge the battery and maintain the correct voltage for the electrical system. In 1964, the Lincoln voltage regulator was externally mounted. In later years it became integral with the alternator.
it should have the voltage regulator built into the alternator
Look on the rear of the 91 Lincoln alternator. If there is an a external regulator then you will see it mounted there.
2mpg
Inside the fuel tank .
According to one of Fords websites : For a 1964 Lincoln Continental : ( the only engine listed is the 7.0 liter / 430 cubic inch V8 )
On a 1964 Lincoln it should be attached to the engine on the drivers side underneath the exhaust manifold.
The fuel regulator is on top on the side of the intaketowards the front . Should have a steel braided fuel line going to it.
According to one of Fords websites : For a 1964 Lincoln Continental , 7.0 liter / 430 cubic inch V8 engine : ( the spark plugs are gapped at .035 inch )
Should be in the harness between the voltage regulator and the alternator
It's on the driver's side fender apron just in front of the shock tower.
where is voltage regulator on 1990 lincoln town car
location of thermostat in 1998 Lincoln continental