Ballast Resistor ? |
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Ballast Resistor ? |
Ansbacher |
Jan 24 2020, 11:49 AM
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#1
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Senior Member Group: Members Posts: 689 Joined: 4-July 14 From: Tampa Bay, Florida Member No.: 17,589 |
I am preparing to install a Pertronix Ignitor (1847A) in my '74 2.0L with dual carbs. I am running a stock coil. The instructions mention the possibility of the presence of a ballast resistor in the ignition system. How do I determine if my car has one; where would it be located? Or, do I perform an ohm test of some sort to tell? If so, what is the procedure?
Any help much appreciated. Ansbacher |
malcolm2 |
Jan 24 2020, 11:56 AM
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#2
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Advanced Member Group: Members Posts: 2,747 Joined: 31-May 11 From: Nashville Member No.: 13,139 Region Association: South East States |
It would be between the coil and the electronic module. I had to add one to mine to keep the volts down and not burn up the module. I don't have petronix, I used HOT SPARK.
So if you are going from points to electronic, I would say you don't have one. Mine are just a white ceramic looking block 2" long with male connectors on each end. I had to go thru four or five "sizes" to get the volts down. |
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