3 Wire Ford Alternator Voltage Diagram. 21 exciter wire battery light key switch to battery as mentioned before we need the correct voltage at the alternator for it to operate properly. Tommy payne created date.
The 3 wire alternator is a proven design and has been used for the past 30 years starting in the late 60s early 70s. It is a diagram for the alternator in a ford focus see also ford focus repair manual ford escort ford f 100 ford taurus ford mustang ford model t ford gt40 ford thunderbird ford shelby cobra and other ford cars that use the similar alternator. The ac delco 3 wire alternator was used in most general motors.
The following diagram shows the wiring for a typical 3 wirebatteries and alternators.
The voltage sensing wire connects to the battery and the ignition wire connects from the alternator to the key switch. Read or download the diagram pictures 3 wire for free alternator diagram at crowdfunding donatedemoagriyacom. The ignition input wire is attached to the engine. What is a one wire alternator.