variable speed drill problem

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I have a 1/2 inch variable speed drill that suddenly became a single speed.  I used it one day to install some screws and it worked fine and when I went to use it a day or so later it only runs full speed rather than being variable speed.  Any chance this can be fixed easily or am I looking at buying a new drill?
Reply:More info. Brand, model number. Can get parts for nearly any drill whether it's worth it depends on what it cost new verses the cost of the part. On DeWalt cordless drills the variable speed trigger is nearly the most expensive part to replace. Milwaukee aren't cheap either but both have a more complex PWM trigger for the variable speed.Millermatic 252XMT 304'sDynasty 280DXHypertherm PowerMax 1250Miller Trailblazer 302 EFIOptima PulserXR feeder and XR Edge gun and more athttp://members.dslextreme.com/users/waynecook/index.htm
Reply:I know that on my Bosch corded drills, the trigger switch is electronic, except there are a set of metal contacts that touch when you reach full power.  If the electronics die, you get full speed only.  Sounds like what happened to you.Usually the switch isn't too difficult to replace, but it can be expensive.If you research your model number, you can probably find the part online.
Reply:It's a Chicago Electric so it would probably be cheaper to buy a new one.  It is a good drill though with plenty of power and the chuck holds well.  It runs at full speed as soon as you start to pull the trigger and stays that way through the full trigger travel.
Reply:Originally Posted by txcarbuilderIt's a Chicago Electric so it would probably be cheaper to buy a new one.  It is a good drill though with plenty of power and the chuck holds well.  It runs at full speed as soon as you start to pull the trigger and stays that way through the full trigger travel.