On my 68 Valiant, when i turn my headlights on, my park lamps go out. Everything else works fine, I removed the light switch(it looked like it was recently replaced)and swapped it with one outta my 76 volare parts car, and got the same results. I thought this had something to do with the horrible repair job on the turn signals back in the day. The turn signal switch went bad, and someone cut the wires and put in one of those aftermarket switches in it. Well i replaced the switch with a correct Chrysler T/S switch, but still no park lamps. They work fine without the headlights on. Can anybody ?