First check avalble voltage at the battery . 12 volts is what it should be . Unplug the ignition coil connector . Locate the 12 volt wire . Connect the voltmeter . It should read 12 V . Do you have test light with a bulb ? You are going to do what is called voltage drop test . Connect the test...
To get the turn signals flasher to work the bulbs must draw a certain amount of current . There might be a solid state turn signal flasher . Where you bought the turn signals you may want to ask them .LEDs draw less current and our brighter . Which is good in some respects . How ever turn signal...
With the ignition points open for that ignition coil you should have 12 volts there . If not that wire maybe shorted to ground . Is the ignition coil warm or hot . Meaning current is flowing thru it constantly .