Lost power to head light but still power to fuse

all else ok car drives, head lamps work key on and off.? both/
always tell all things bad and good, or work goes hard.
for sure headlamps dead or engine dead. oK>?

well , cars can have 4 fuse boxes
lost the glove box uses guide, chapter fuse?
what is truck light? trunk?

i will now read the service manual to you, from on line top site.
for the room and trunk lamps
2 fuses must be good and sure the huge car battery good.
room 30 fuse
or this
X03 - IG1 fuse is blown for sure.
X03 means (Korean?) engine fuse BOX

see engine fuse box next at X03

Blown fusible link?

Check dimmer switch make sure that it is on then check for power on fuse with a test light. If you have power go back to dimmer switch and check for power and ground. If all is good most likely a head light switch. Could be bulbs but not likely.

Could be, sounds like a big electrical short somewhere. First check that it didn't kill your battery. Have it tested. If it is old, just replace it- you have to have a fully charged battery to do any checking or testing. Check all your fuses, and it would really be good to know there is power to the fuse. All of the maxi fuses are hot at all times. Use a simple test light to check they have power-one will feed the ignition switch and one or two others are for the head lights and lighting. You can check every fuse on the car, both underhood and inside the car at those fuse panels -with key on EVERY fuse on the car should have power to it. Just touch the test light probe to the top end of the fuse, that little indent is a test port to check for power. Every fuse has those openings, one at each end. A good fuse will light your testlight at both ends of the fuse. A bad or blown fuse will only light one end of the test light.
You may have lost power right off the battery if nothing works. How warm were those battery terminals? A poor connection will create a lot of heat, but that would likely be hot hot...lol
Start with a fresh battery, make sure cables and connections are good, make sure the fuses are good and have power, then hit the switch-if it blows something, bad switch or a short in a wire.
Good luck, Don.

On this website you find fuaw box diagram and description for Geo Tracker (1994)


https://www.autogenius.info/geo-tracker-1993-1995-fuse-box-diagram/

According to the wiring diagram, the left and right low beams are connected to the same wire which is
vt/or. Check for power on this wire. Also check for a good ground on the black wire.

check your fuses sounds like one popped and needs replacing.easier if done with a test light turn the key to on and test light should light up as you touch on both sides of the fuse if not fuse is bad another way is to pull out one at at ime and visually checking them. good luck.

sounds like you have a bad ground somewhere. Check every ground strap that you can find, make sure it's tight, and not corroded, etc. Sounds like the accessories are trying to find a ground, and going through the brake light to do so, thus burning out from too much current.

Yes there is a relay, but it is part of the hvac control head. There are two fuses in the system one is labled the hvac fuse it's a 10amp and there is a RR defog 30amp fuse. Those supply power to the hvac control head. Control head supplys power to the rear defroster. There should be a purple wire in c3 terminal D on the back of the control head. See if that has power when you turn on the switch. If it dose not then there is not power out put to the rear defroster. If so then the problem lies further down the line.
Good luck

Much easier to replace the switch assembly. If it is something minor repair it but do not open the switch assembly packaging so that you can return it.