I can't read notes but can read tabs and I know a couple of scales by ear. Is there a certain way to help me improvise or can you tell me anything that will help? thanks in advance
well i think you should learn more scales by construction and understand how they are applied to chords and that will deffinetly help your situation.

you can find this information in the music thoery faq sticky
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Another thing I'd highly advise is learning to solo using chord tones, as well as learning a bunch of your favorite musicians' licks. I know a ton of Jimmy Page licks that I use all the time while improvising.
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