2002 Chrysler Sebring goes dead while driving. Headlights radio etc works. Won't start. All dash lights came on. Towed to garage

the fuse box under the dash is also a body control module a computer have it checked

Check if you have power at the starter from the ignition key
Try give direct power to the starter, if still not starts, you have a bad starter

You folks never learn, you can't use just any aftermarket sound system in these newer vehicles. The electronics are all networked together. I have no idea what you have damaged.

The first thing you do is have the battery and the battery cables checked, it sounds like a dead battery to me. The battery is accessed through the drivers side front wheel well through an access panel. Remove the front left wheel first.

Assuming you have checked all fuses, the next step would be to locate central grounding points (there may be several) and remove and clean battery terminals and the remote ends of the cables at their attachment points.Locating some of these may be easier with a manual covering the electrical system of the car:
Sebring manual
When removing battery cables, always start with the negative cable first and reattaching it last.

Check ALL Power and Ground connections coming off the Battery to circuit anchor points. Ignition and Services fuses for a Power supply. If all proves ok, then go to the Main Ignition control Relay and check the condition of the Pins and Recepticles. That is where your apparent problem may eventually be. But travel the initial route first, looking and feeling for Loose or Dirty connecting points.
Regards, David

i guess u have standard radio that came with the car? i don't know how it calls this thing, but when u turn on ur headlight, on the same stick there is another regulator that regulates light in the cabin and dash light, so turn it off, turn clockwise! or leave a little light in ur dashboard!

There should be a switch on the dash or the headlamp switch. they will only work on LOW BEAM. it is possible that both bulbs can be bad.

check fuses for dash lights if you use a12 volt tester turn on runnig lights and check dash lite fuse for power the radio maybe on same curcit/

have the engine wire harness checked maybe a communication problem between modules.