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1977 GS400 help with mystery of the right ignition points

  • Thread starter Thread starter Guest
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Yes I believe it is an oddfiring engine. And just to clarify, you mean put one probe on where the condenser connects to the coil and another on the ground and see if it shorts right? I did hook everything back up today and do the spark test where you lay the sparkplug against the block and see if it sparks. And both plugs did spark, but I noticed that the right coil didn't warm up as much as the left one did. And then I tested the orange/white connector with only the right coil wire plugged in, and I got a voltage of 10.5 while the left coil's wire when plugged in got the full 12 volts. (my battery is fully charged) I also noticed that on the right condenser on the bottom screw that holds it in, there was no thin metal washer like there was on the left condenser. Could that affect anything?
 
yes i believe it is an oddfiring engine. And just to clarify, you mean put one probe on where the condenser connects to the coil and another on the ground and see if it shorts right?
>>Right. But be sure that condenser's set of points is blocked open.. Otherwise your meter may find a ground through the points.
Do you get similar reading on each condenser?

I did hook everything back up today and do the spark test where you lay the sparkplug against the block and see if it sparks. And both plugs did spark, but i noticed that the right coil didn't warm up as much as the left one did.
>>That makes me think then that the left coil is being continuosly powered (and grounded). That's why it gets warm. Or maybe the right coil isn't getting powered up?

And then i tested the orange/white connector with only the right coil wire plugged in, and i got a voltage of 10.5 while the left coil's wire when plugged in got the full 12 volts. (my battery is fully charged)
>>if the points for a coil are open, no current would be flowing through that circuit so it would read battery voltage. If the points were closed,, current should be flowing through the circuit so the circuit would experience voltage drop so you would read battery voltage less the volts being dropped.

I also noticed that on the right condenser on the bottom screw that holds it in, there was no thin metal washer like there was on the left condenser. Could that affect anything?
>>I don't know. What does that thin metal washer do?? Does it make contact with the electrical circuit?
 
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