Electrical system ground

txturbo

txturbo

Senior Member
Fairly new to Model As. Going to try and start my recently acquired Model AA truck this weekend and just realized I don't know if they are positive or negative ground systems. I'm assuming positive....but want to make sure.
 
Thats if no one has changed it to negative ground. I've gotten model As that have been converted to negative ground alternators.But if it's original it should be positive ground. Frank
 
After the battery is installed with + ground, make sure the generator is correctly polarized by jumping a short wire across the two cutout terminals for one second.
 
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