The ground circuit for your Honda Civic brake lights can be found on the rear frame rail. The ground circuit will be on the drivers side frame rail.
Often this type of behavior is caused by a bad ground for the lighting circuit. Check the ground circuit for the brake lights.
No, the license plate light is wired in with the rear tail lights, not the brake lights.
The running lights have a bad ground.
You do not need the key in the ignition to make lights work. They are "hot" all the time. The reason you Sid marker lights are coming on at the same time is because you have a bad ground in one of your brake lights. It's allowing electricity to jump from the brake lights to the tail light circuit. Take the brake lights apart, clean up all the rust and make sure they "ground" to bare metal. Problem cured.
how do i wire my brake lights on my Honda 1000
The ground for the brake lamp. When the tail lights are off, the tail light circuit can act as a ground for the brake light. When the tail lights are on, it can't.
Check bulbs, fuse, bad ground, brake light switch.
Brake light on 1994 Honda civic staying on.
Check for a bad ground circuit at the rear tial lights.
Check for a bad ground in brake light circuit Check for a bad stop light bulb where both filaments (double filamented bulbs) are touching back feeding circuit
Bad brake switch
Bad switch, bad relay, short to ground in the circuit.