Mopar Ballast Resistor Test. If the engine starts normally, the ballast is bad. if you are using points ignition and the standard mopar coil (or the equlivant coil) the ballast resistor is 0.5 ohms. in simple terms, the ballast resistor in a mopar limits the amperage, or current flow, through the coil while the engine is running, thereby extending the life of the coil and breaker points. It seemed to stress you need to have the proper combination of coil, ballast. the easiest way to test the ballast is to simply jump it out. here's a simple diagram when you turn the key to start, the circuit called 14pk gives power to the coil. i took a look at my wiring diagram for my old blue box from the mopar bible. the main ballast in a mopar (single or dual ballast) should be 0.5 to 0.6 ohms cold, and a bit over 2 ohms hot. When you release the key to. It bypasses the ballast resistor.
If the engine starts normally, the ballast is bad. It seemed to stress you need to have the proper combination of coil, ballast. the easiest way to test the ballast is to simply jump it out. if you are using points ignition and the standard mopar coil (or the equlivant coil) the ballast resistor is 0.5 ohms. here's a simple diagram when you turn the key to start, the circuit called 14pk gives power to the coil. in simple terms, the ballast resistor in a mopar limits the amperage, or current flow, through the coil while the engine is running, thereby extending the life of the coil and breaker points. i took a look at my wiring diagram for my old blue box from the mopar bible. When you release the key to. It bypasses the ballast resistor. the main ballast in a mopar (single or dual ballast) should be 0.5 to 0.6 ohms cold, and a bit over 2 ohms hot.
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Mopar Ballast Resistor Test i took a look at my wiring diagram for my old blue box from the mopar bible. if you are using points ignition and the standard mopar coil (or the equlivant coil) the ballast resistor is 0.5 ohms. It seemed to stress you need to have the proper combination of coil, ballast. in simple terms, the ballast resistor in a mopar limits the amperage, or current flow, through the coil while the engine is running, thereby extending the life of the coil and breaker points. It bypasses the ballast resistor. i took a look at my wiring diagram for my old blue box from the mopar bible. When you release the key to. the main ballast in a mopar (single or dual ballast) should be 0.5 to 0.6 ohms cold, and a bit over 2 ohms hot. here's a simple diagram when you turn the key to start, the circuit called 14pk gives power to the coil. If the engine starts normally, the ballast is bad. the easiest way to test the ballast is to simply jump it out.