i would check the wiring for cracks
Check the fuse for the headlights. It is probably open.
The headlights and the tail lights may not be working on the 1981 El Camino because of a mechanical breakdown.
check the fuses - there is no fuse for the headlights.
make sure your dimmer switch isn't turned all the way down. Then check the fuses next.
my headlights and dash lights stopped working on my 2007 yamati strada RX150
Yes, they did.
Check headlights and dashboard lights first. If no/minimal power for the lights then replace battery.
If parking and tailights are working could be headlight switch--rheostat for dimming control could be bad
most likely a poor earth
probably the fuse is blown.
Answerthink maybe you need to get the light switch testedReplace the Turn Signal Switch then all will be fine.
if you recenly replaced bulbs u may have installed them backwards they should be running lights and brake lights if this is the case they maybe installed incorrectly