What does the coil pack Capacitor do ?
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wmburns
SN Certified Technician
no. In fact a larger capacitor would cause additional spark energy to be grounded.
The purpose of the ignition capacitor is to reduce high frequency radio interference (static) that could be picked up by the radio. So if you were to remove the ignition capacitor it's possible to have static electrical noise induced into various electrical systems within the car. This size of the capacitor is chosen to ground the spectrum that overlaps that of broadcast radio.
Spark-gap transmitter
Spark-gap transmitter - Wikipedia
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screamin gt
5 Year Member
Interesting. Where is that located? Because sometimes I swear I can hear my supercharger in my radio. Wonder if it's bad.no. In fact a larger capacitor would cause additional spark energy to be grounded.
The purpose of the ignition capacitor is to reduce high frequency radio interference (static) that could be picked up by the radio. So if you were to remove the ignition capacitor it's possible to have static electrical noise induced into various electrical systems within the car. This size of the capacitor is chosen to ground the spectrum that overlaps that of broadcast radio.
Spark-gap transmitter
Spark-gap transmitter - Wikipedia
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wmburns
SN Certified Technician
A high pitch whine in the radio is more likely to be a bad alternator. Likely a bad alternator diode (excessive AC ripple).
Howto perform charging system voltage drop test
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If the noise is from the ignition it would pulse on/off with RPM.
Howto perform charging system voltage drop test
Howto perform charging system voltage drop test
To anyone else reading any of my posts I usually include the line: Today's cars simply will not run right without a strong battery and charging system! Cut corners here at your own risk I'm a big believer in starting with the basics. As such I...
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If the noise is from the ignition it would pulse on/off with RPM.
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