Posted by John T on November 20, 2013 at 15:43:21 from (216.249.76.176):
In Reply to: 200 Coil Question posted by LMack on November 20, 2013 at 15:10:01:
"The only change I have noticed was that the amp meter no longer moves when the switch is turned on or off."
With the switch on IFFFFFFFFF the points are closed (as they usually are when shes just setting there) and IFFFFFFFFFFFF the points aren't badly burned or pitted or corroded and IFFFFFFFFFFF all the wires are in place like from coil to distributor to points and IFFFFFFFFFFFFFFFFFF the coils LV Primary is good and continuous (NOT open) YEP NOT RUNNING SHE OUGHT TO SHOW A 4 AMP OR SO - DISCHARGE.
Put a test lamp or voltmeter on the coils output (To distributor) terminal and turn IGN on. When a good set of points are closed the light should be OFF but when they open it should be ON (if coil LV primary is okay).
If theres voltage on the coils input but not on output (unhook output wire completely from distributor) the coils LV primary must be bad/open.
Or else use an ohm meter and measure resistance from + to - and it should be maybe 1.2 to 2 ohms BUT IF ITS AN OPEN CIRCUIT THE COILS LV PRIMARY IS BAD/OPEN
I suspect the coil has gone bad. What do you think? SEE THE ABOVE
For a complete coil ignition test procedure see my link below
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