Check the keyswitch.
plug it in
The acc switch in an automobile is an accessory switch. It is used for listening to the radio or other electronic equipment in the car with the engine turned off.
Brake Light switch works without the ignition on. unplug the brake pedal switch and check to see if the brake lights are still on..switch could be defective
The most likely answer is that the parking light switch on top of the steering column is turned on. --Ken The parking light switch is turned off,the engine is turned off,they are still flashing
There is a switch on top of the steering column dead center. You must have accidently turned it on. It's a parking light.
they are thermostaticly run.
That sounds like problem in the cluster. The high beam indicator is cross wired to the check engine light when it shouldn't be.
Faulty ignition switch.
The thermal switch or temperature sensing unit that controlls the fan is malfunctioning.
wires on the starter are criss crossed
failed relay
It is probably caused by the ignition switch internals shifting (I had a similar problem before) and it turned out to be the ignition switch)