Starter Wiring
#1
Starter Wiring
I am building my wire harness after swapping a 305 of a 6cyl. The starter motor has a post for a ballast resistor. My old engine didn't have this.
Can someone tell me if I need to wire this up, why and how? Another two weeks and I'll be ready to fire it up!
Thanks,
Steve
Can someone tell me if I need to wire this up, why and how? Another two weeks and I'll be ready to fire it up!
Thanks,
Steve
#2
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Starter Wiring
Some coils run at a lower voltage (say 9V) and get 12V from the starter terminal direct to the coil bypassing the ballast ( which drops the voltage down ) when cranking only to boost the startup spark.
If the 9V coil had 12V on it full time it would burn out
Last edited by vetteoz; 08-08-2010 at 09:02 PM.
#3
Re: Starter Wiring
Wow. I had not thought of that. I have an HEI dizzy. I installed a power center from Painless. Its directions say to run a wire from the panel directly to the HEI battery terminal. I have not measured the voltage there, I just assumed it was switched 12v.
So what should be the correct voltage at for an HEI dizzy?
So what should be the correct voltage at for an HEI dizzy?
Only if you are using a coil that requires a ballast resistor; you don't state what Ign you are running
Some coils run at a lower voltage (say 9V) and get 12V from the starter terminal direct to the coil bypassing the ballast ( which drops the voltage down ) when cranking only to boost the startup spark.
If the 9V coil had 12V on it full time it would burn out
Some coils run at a lower voltage (say 9V) and get 12V from the starter terminal direct to the coil bypassing the ballast ( which drops the voltage down ) when cranking only to boost the startup spark.
If the 9V coil had 12V on it full time it would burn out
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