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Hello I think that it is a bad! Ballast Resistor try a new one and see if that helps.




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I would try the ballast resistor .





Not a chance is it the ballast. NOTICE he says the car RUNS AFTER HE RELEASES THE KEY TO RUN

This means the ballast is WORKING JUST FINE

I don't have a factory '69 diagram, and once again do not know what changes you've made. Here are some excerpts from a 67 diagram should be the same or similar

The diagram below shows the ignition switch

The three important (ignition) circuits I mentioned are:

STARTER #S2-18-Y (yellow) feeds starter relay in "start"

IGNITION 2 #J3-14-BR (brown) is hot in start and feeds through bulkhead to coil+ side of ballast resistor THIS IS THE WIRE THAT YOU SHOULD BE WORRIED ABOUT

IGNITION 1 #J2-16-DBL (dark blue) This is hot in "run" and feeds the other side of the ballast to run the car

All three of these wires go through the bulkhead connector so you may be losing voltage IN THE SWITCH, AT THE SWITCH CONNECTOR, AT THE BULKHEAD CONNECTOR, or AT THE BALLAST CONNECTOR






The excerpt below shows the bulkhead connector and merely shows which connections the above three wires go through

Ign1 (run), dark blue goes through "N"

Ign2 (bypass), brown goes through "Q"

ONCE AGAIN, IGN2 is what you should be checking






Below is part of the engine bay

Look at the very bottom the drawing labeled "BULKHEAD DISCONNECT" and look at the MIDDLE section, "N" and "Q"

Now look directly above at the connector, notice that "N" shows a wire J2-16DBL. THIS IS ignition "run" on the way to the ballast resistor

Now look at "Q" has a wire J3-14BR. THIS IS ign2, on the way to the COIL side of the ballast AND IS THE WIRE that you need to check

This last wire feeds hot 12 to the coil IN START







Below is the destination of these two wires from the ign switch.

IGN1 (run) J2A-18DBL (dark blue) comes in from the bottom and feeds the ballast. THIS WIRE is what runs the car, feeds battery to the ballast, drops the voltage to the coil in run

IGN2 (bypass) J3-14BR (brown) Notice this wire connects to the top of the ballast BUT WHAT it is really hooked up to is the COIL POSITIVE.

THIS IS THE WIRE I think has failed or is not hooked up. THIS WIRE is what feeds hot battery "in start" to the coil to give you a good hot spark during "start."




Below are the diagrams posted over at "My Mopar." In some cases these are easier to follow that stock diagrams, and sometimes not

http://www.mymopar.com/downloads/1969/69CoronetA.JPG

http://www.mymopar.com/downloads/1969/69CoronetB.JPG