Well fisrt off you need a new motor which about $150 or more new and just unscrew the screws holding it and unplug the eletrical plug for it
Don't replace the headlight motors, you'll only be wasting your money. Instead, just rebuild them by buying the headlight motor rebuild kit. Check out these links. http://www.bfranker.badz28.com/headlightfix/ http://www.rodneydickman.com/index.html
Copy and paste this link into your browser. http://www.bfranker.badz28.com/headlightfix/ It will give you all the info you need for replacing the headlight motor. I would suggest purchasing the CNC milled metal gear, as the gear that comes stock with the headlight motor is nylon and has a tendency to get stripped.
This site has a step by step guide for an older Firebird, but it is identical to what you need for a 2001. http://shbox.com/page/windowmotor.html
its bolted to the motor
There is an excellent video and discussion at http://www.bfranker.badz28.com/headlightfix/index.htm They also give some diagnostic answers.
try all American classics in Vancouver, Washington they had all the parts i needed for my firebird so im sure they will have that there. here is the website http://www.allamericanclassics.com/
If you are looking for the 3rd gen they are two blue loops of wire on the harness that is just below the master cylinder on the wheel well.
Does your Firebird have a Chevy or Pontiac motor in it?If it is a Pontiac motor, you will need an adapter from Summit or Jeg's.Also, it could be a different output shaft length and spline count.
can you clean a egr valve on a 1995 pontiac firebird with a 3.,4 litre motor
The 1986 Firebird came with either a 2.8L V6 or a 5.0L V8
The gears in your headlight motor are actually grinding. My 2000 firebird did that. I just replaced the headlight motor. You can get replacement motors at pretty much any autopart store for around $50.00.
The 1986 Pontiac Firebird fan relay switch can be found on the back of the fan motor. The relay switch is connected to the fan motor by two retaining screws.