Mark VII V8-302 5.0L VIN F FI (1987)
Voltage Regulator: Specifications
Measure battery voltage and record figure. With engine operating off idle and all secondary electrical systems turned off, regulated voltage should
be no greater than 2.5 volts above recorded figure. Turn on headlights and set heater blower to high. Regulated voltage of idle should be no less
than 0.5 volts above recorded figure.