I need a rocker-style headlight switch for my '70 Charger. Where's the best place to buy one? Can I fix mine if it's toast?
Right now I have headlights, turn signals, flashers, but no running lights.

as i will also be looking for a new one

I went to Oriely's and bought one for my 71 Road Runner

headlights are feeded directly from batt, but parking lights are driven by one fuse

parking lights got a splice to cluster lights dimmer input, then the dimmer output gets to another fuse and then feeds all cluster dimmer lights.

check second fuse... dunno if from left to right or right to left because fuseblock at diagram doesn't ilustrate the position it is the fuseblock

fuse at a side ( outer side ) is the one to cluster dimmered lights

The parking lights are not on with the headlights on most or all of the early Mopars. Do the park lights come on when the headlight switch is in the first position and then go off when the headlights come on?

parking lights are ON with headlights since 69

the switch didn't get the modification, mod is on wiring with a jumper between front park light output and rest of parking lights output ( side when present and rears ) when you fully push the switch to headlights function, In that way since rears worked on any ON position, when the headlights position cut the front parking lights original output, the jumper spliced from rear output did keep working fronts even the cut at switch

70 definitelly got the jumper on wiring

Thanks for the info guys. Fuses all look good so the next step is pulling the headlight switch and double checking that the wiring is good and that all my grounds are good then buying a new switch.

When checking fuses, turn on the circuit to
be tested- either by key on (for circuits
hot only with key on) or switch on for other
circuits. Using a 12 volt test light check
both ends of fuses in question. In this
case, with parking lights on check both
ends of the tail light fuse and the fuse
terminals (retainer). A visual
inspection is not always the best.
I've seen corrosion build between the metal
contact of the fuse and the glass.