Z  Tech Tips  Electrical 

Hardware Recommendations 

Plugs and Wires

Modifications

Alternator Upgrade
ZX Distributor Swap
Wiper Motor Upgrade
Fusible Link Upgrade
Headlight Relay Upgrade (71 240z PDF) 

Maintenance & Troubleshooting

Electrical Connection Cleaning
ZX Distributor Rebuild
Electricl Timing

Reference

Z Wiring Diagrams (note some 240z diagrams are from UK or are simply suspect, take care when referencing)

240z
70 Electrical Wiring Diagram  
71 Electrical Wiring Diagram  
72 Electrical Wiring Diagram          72 Electrical Wiring Diagram  (PDF)
73 Electrical Wiring Diagram 

260z
74 Electrical Wire Harness Diagram  (PDF)
74 Electrical Wiring Diagram  (GIF right click and "save as")


280z
75 Electrical Wiring Diagram  (PDF)
76 Electrical Wiring Diagram  (PDF)
77 Electrical Wiring Diagram  (PDF)
78 Electrical Wiring Diagram  (PDF)

280zx
79 Electrical Wiring Diagram  (PDF)

Fusible Link Info

Battery Info

Common Automotive Electrical Testing

Thanks to Wayne Lewis and Jim Karst for their dedicated work at scanning, converting and providing the wiring diagrams!