My brake lights don't work on my tail lights,window light works

If the parking lights don't work but the brake lights do, have you checked the park fuse ?
And are you getting power in and out of the headlight switch for that circuit ?

The turn signals and brake lights use the same circuit and filament in the bulbs. The tail lights are on the other circuit which comes from the headlight switch.
Do you have power on the tail light fuse ?

cheek you brake light switch it's under the dash.. if it goes out it kills brake and tail

Have you checked the wire to the brake light? It might be broken.

The brake light side of the bulbs is powered by the brake switch and travels thru the turn signal switch.
If the third brake light works, I would guess the problem is in the turn signal switch.

Check the ground for your rear lights. It's probably one single ground for all the rear lights, though I don't know that for sure. If it's not a grounding issue, it must be a loose power connection.

The first step is to check the bulbs in the tail lights. The brake light switch (on the brake pedal) is OK, as the center light works.

Is the top center light working (the light at the window)?? If not, check your brake light switch at the brake pedal. It may be damaged or needs adjustment. If the center light is still working, you will need to have the ground and leads checked at the brake lights. Hopefully this helps

you prob got a trailer plug prob bad wires if not tail lights run through turn signal switch tell fix ya bout me ok

sounds like ground problem- remove tail lights and look for wires going to body -remove screww clean grounding area and replace- both sides. You did not say whether the lights work when car is off? With car off and brake pedal pushed is there any brake lights ? If not procede with above.