Quote:
Originally Posted by JSuchma
Did you happen to use the under dash ignition jumper harness on your RAV Judge? If not that might be the problem with your 406 coil not working. As I understand, it was used to give a full 12 volts to the coil. Just a thought.
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Friendly correction....... You're completely right about needing the jumper, but to be precise, it is to bypass the resistance wire to supply the full 12v to the amplifier box, not the coil. On the CD system, the amplifier charges the main 2uF capacitor with over 300v, and then discharges the 300v through the coil primary winding to initiate the spark. That's why the CD system uses a coil with different electrical characteristics - lower primary resistance and inductance.
It's also why you can't trigger a tachometer from the coil. The amplifier box provided a low voltage pulse signal for a tach.
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Hoping to finish a project while I'm still able to push the clutch in....
1963 Tempest Convertible (195-1bbl, 3-speed transaxle. 428 RAIV, 5-speed, IRS planned)
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