67 to 69 firebirds did not come with internally regulated alternators.when you change one thing,you usually have to change other things
Ok now Terry. You caught me wrong now I catch you! Some 69's did have internal regs. Mine does and so does Vikki's car. Same assembly line, same month. AC cars. As you can see, the original wiring harness is even different.
Some 69's did have internal regs. Mine does and so does Vikki's car. Same assembly line, same month. AC cars. As you can see, the original wiring harness is even different. 
