Since there have been a few modifications to the cars wiring it is difficult to resolve any electrical problems using the factory wiring schematic. The following diagrams document the current status of the vehicle.
This is the stock wiring diagram for 1974
Main relays have been updated to improve reliability
The EDIS spark unit is next to the fuse box
Underdash installation of additional lighting fusing
Fuses, relays and Megasquirt computer, passenger side, under dash
Megasquirt external wiring schematic
Note: The e-mail button will NOT function if scripts are blocked!