Ranger 4WD V6-3.0L VIN V Flex Fuel (1999)
Tachometer: Description and Operation
The tachometer is a 6000 rpm tachometer. It has four terminals labeled "B" (12 to 14.5V), "S" (EDJS tach signal in), and two "G" (cylinder selection
grounds). The top ground (G) terminal is open on a 4-cylinder engine vehicle, and is grounded on a 6-cylinder engine vehicle.
