What do they do? And do I really need them in my car?
My car is a stock standard '66 Dart 270 with a 170ci slant.
PS: I suck when it comes to electrical stuff
Syed
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| Newbie ques: What are Ballast Resistor and Voltage Regulator https://slantsix.org/forum/viewtopic.php?t=43532 |
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| Author: | 1966DartConvertible [ Sat Feb 05, 2011 3:08 am ] |
| Post subject: | Newbie ques: What are Ballast Resistor and Voltage Regulator |
What do they do? And do I really need them in my car? My car is a stock standard '66 Dart 270 with a 170ci slant. PS: I suck when it comes to electrical stuff Syed |
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| Author: | Charrlie_S [ Sat Feb 05, 2011 4:42 am ] |
| Post subject: | Re: Newbie ques: What are Ballast Resistor and Voltage Regul |
Quote:
What do they do? And do I really need them in my car?
Yes you do need them.Syed Basically, the ballast resistor, limits the amount of current flowing through the ignition system and the points in the distributer. Without it, the points would burn out in a short time. The voltage regulator, controls the amount of charge the alternator puts into the battery. |
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| Author: | emsvitil [ Sat Feb 05, 2011 2:01 pm ] |
| Post subject: | |
You don't need the ballast resistor if you replace the coil with a 3 ohm coil. or replace the ignition with a HEI setup. |
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| Author: | wjajr [ Sat Feb 05, 2011 6:15 pm ] |
| Post subject: | |
Baby steps first. A car's alternator, a device that generates electricity from mechanical energy produced by the engine, and makes or generates more than 12 volts. This varying voltage produced has to be stepped down or regulated to 12 volts so that all the electrical devices, radio, wiper motor, lights, etc will work as designed, and not blow or burn out. That ceramic ballast resistor is feed regulated 12 volts, than reduces it to 5 or 6 volts so that a standard coil will not burn out, and as Ed said; burn the points. Points being the device that measures a pulse of 5 volts to the coil that than steps up 5 volts to 36,000 volts to fire of each spark plug. There is an additional voltage regulator behind your dash board that powers the fuel & temperature gages as well. Ohm's Law governs how voltage (pressure), current (flow of electrons), and resistance interact. Automotive electrical systems in our old cars are rather simple. Once one has a basic understanding of Ohm's Law, and how each electrical device in a car works, a little reading and study, down loading a schematic of your car's electrical system, and you will soon have the basics down. It is not at all complicated if taken in small bites. |
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