1969 Dodge Dart - Car in accessory mode without key in ignition

I don't know if this will be your exact concern, but it sounds similar to a concern that I had on a 70 Duster after I replaced the turn signal switch. The new switch was a Mopar replacement part from a dealership. With the new switch, the wipers and turn signals worked with the ignition off. The new switch was wired differently than the original switch. I had to modify the wiring on the replacement switch to make it match the original switch to fix the problem.