Back left tire locked up after hitting brakes

What does it mean when your tires lock up?

Lock up essentially means that the braking force exceeds the frictional force that is keeping the tire in motion. It isusually caused braking while cornering due to the load transfer in the corner. The weight of the car is mostly onthe outside tires in the corner, so the frictional force onthe inner tire is less.This can be caused by a sticking caliper that is dragging and getting hot, or in some cases I've seen, a malfunction in the ABS system, sometimes caused by an air bubble, though I suspect your caliper simply got stuck and dragged till heat expansion seized the wheel.

It could be a locked brake or a frozen bearing. The car must be moved to an appropriate location for being worked on. this will need a flatbed or a tow truck with the dollies since you can't leave the drive wheels on the ground and you can't leave the stuck wheel on the ground. Remove the tire and wheel.It sounds like you could have a faulty turn signal relay. A relay is a piece of electronics which flashes the light on demand. They are generally cheap and easy to replace, so I would start there. If that doesn't solve it you could have a connectivity problem in the wiring.

Most likely a warped rotor and with new pads it has locked it's self up.

It sounds like the brake pads are metal to metal, when you turn the flexing of the wheel makes them touch the rotor and grind. This can rarely be caused by a badly worn wheel bearing as well, have both brakes and wheel bearing inspected.

could be a drive shaft u joint

The parking brake is locking on that side
Cable needs replacing or someother issues.
Take the back left brake assy apart and check out the cable

sounds like to problems did you actually hit some thing? if not the burnt smell should go away. about the bounce at 45 mph are you sure that it's not a shake and does it go away at 55 mph or different speed? if this is whats happening the front tire is out of balance weight could have fallen off. try this

jack up vehicle and put on stands ,then remove the wheel nuts ,get assistant to hold a plank of wood on wheel and then hit the plank with a 7kg hammer ,the alloy wheel has corroded to the brake disk ,when free put copperslip on the inside of the wheel rim that will stop it corroding up again

if rear e-brake locks up then get under car and pull on cable to rear wheels, this should un lock brakes, if the cable is not in a bad state and rusted. if to bad replace rear cables. if it comes loose then oil the cable good at the rear wheels. this may take care of problem.but you may have to take rear tire off to check on the condition of rear brakes also.

see if brakes are stuck, take apart and see what is stuck 

there should be a button at the end of the handbrake. may have to pull up on hand-brake to push button in.