Not really. This sounds like a bad ground on the battery or the regulator.
An aortic aneurysm can cause this.
It could cause it. It could be something else though. It could also be a worn-out tensioner.
No it will not, The front brake rotors are out of round. Needs replaced are turned, both rotors.
Check your cooling fan motor. If it is no good when it goes on it will make a pulsating sound.
Yes, the ignition on a trailblazer can cause head lights to work improperly.
yes absolutely!
A cam chain tensioner puts pressure on the chain, keeping it taut. If the chain were to not be tight, then it could slip on the gears causing the engine to run rough, or cause engine damage.
Rotors may be out of "round" (lateral runout) and need to be resurfaced or replaced
Blown fuse or defective brake light switch.
Yes, it could.
it could be a faulty alternator bring on all lights
Could have a short in your wire, a bare wire touching bare metal could cause it to ground out.