Positive Ground Wiring Diagram

A positive ground system works by directly connecting the chassis of a vehicle to the positive side of the vehicle s battery.

Positive ground wiring diagram. It is not always easy to tell if your car is positive or negative ground. Our tech department shows you a quick and accurate way. Ford was positive ground chevy was negative mostly. It goes without saying that this is valid only for cars without ballast resistors viz our t series cars.

However when you consider the electro motive series of metals negative ground is incorrect. Other than mounting the solenoid separate from the starter the wiring is the same as the side distributor 8n tractor. The wiring diagram shown below was obtained from pertronix to show the proper hookup for a pertronix igniter in a car wired for positive ground or earth if you prefer. Japanese and british manufacturers stick with positive ground in cars they manufacture for domestic sales.

When the asae in the 50 s i think met to establish conventions the big guy won. The cable is tethered to the battery at one end and the engine block at the other. A lot of systems depend on you knowing this essential information. Find a copy of a positive groung wiring diagram to prove it to yourself.

This system effectively earths the vehicle as the chassis attaches to the battery using a positive battery cable.