My car wont crank or make a sound.yet the lights ,horn and radio works fine

Sounds like an Ignition Module or similar device. Does it have an alarm? Turn the key to ON - not start - and put into Drive and then back into Park. It may be the shifter isn't fully engaged. Also, w/your FOOT ON THE BRAKE shift to Neutral and try to start it.

GL,
Td

Replace battery terminals and/or clean battery posts. Horn and radio don't use as much juice as starting. Sounds like a lack of amperage or electrical pressure to push the starter motor. Also check battery. Needs 12 or more volts and about 600 or more cranking amps.

Check your battery voltage, sound to me like your battery cold cranking amps is low. Its enough the power the lights but not turn the engine over. Have the battery replace

Battery terminal loose. First look if your battery terminals are intact before anything.

Sounds like the starter could be going bad or frozen. But before I did that I would check the battery to see if it has enough power to start the car. Your battery could have enough power to run radio and lights but not have enough cranking power to start the car especially if you are in a cold area. Low temperatures can cause your starter to freez and your battery to not crank the engine.

check you battery and battery cables...sounds like a big voltage drop

You probably popped a main fuse somewhere. Check all fuses under hood & dash. Try removing battery cables for a minute or so, in case of resetting breaker involved, just in case.

chack and make sure the wires are connected my car did the same thing and i came to find out that the wiring piece (I dont know what its called) was loose... just check yourself and make sure everything is connected to the battery... sorry that i dont know the neames of the pieces but again i had the same problem.. so i tried.... hope its helpful

check the fuses and circuit breakers near battery i'll bet one of them popped.

Loose Connection. Get it checked by a Professional Serviceman or at an Authorized Service Station.

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