[51+] 1977 Datsun 620 Ignition Wiring Diagram, [DIAGRAM] Alternator

JAPAN Datsun 1200 starting in 1981 uses an internally-regulated Hitachi LR-135 alternator. North America Datsun starting 1978 also used 35A, 50A or 60A versions. All are wired the same way. L - Lamp (stem of T) -> To dash 'CHG' Lamp S - Sense (head of T) -> to BAT+ via Fusible Link Here is the factory wiring diagram portion: Album 24950. #2 SIMPLE is my motto in life and my wiring plans certainly follow that. My diagram has 3 wires connected to the alternator output stud. #1-red wire from GM alternator pigtail #2-10 gauge wire directly to the pigtail wire on the positive battery post #3-10 gauge wire running directly to the new fuse block that will be installed in the glove box.

Wiring Diagram for Early Right Hand Drive 120Y Models Original. KEY 1. Alternator 2. Regulator 3,4. Horns 5. Distributor 6. Ignition coil 7. Resistor 8. Suppressor capacitor 9. Fuse panel 10. Windscreebn washer 11. Interior lamp 12. Windscreen wiper 13. Heater resistance 14. Heater blower 15. Heater switch 16. Connector 17. Windscreen wiper.. The S terminal is for Sense wire. Connect it to battery pos via fusible link. Regarding the main output wire: For 80A to 100A alternator use a 14 gauge fusible link from your local auto parts store. Use a 12 gauge wire for the ground ('E') wire. These are much larger than the 620 stock wires (good for 50A).