![Hey boys and girls, I've got a new Boss Gt1 pedal and a charger 9 V (660 mA) and if I put it together... nothing happens. The GT1 works fine with batteries... Hey boys and girls, I've got a new Boss Gt1 pedal and a charger 9 V (660 mA) and if I put it together... nothing happens. The GT1 works fine with batteries...](https://i.redd.it/extp56g8j9w31.jpg)
Hey boys and girls, I've got a new Boss Gt1 pedal and a charger 9 V (660 mA) and if I put it together... nothing happens. The GT1 works fine with batteries...
![Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Boss GT-1 Guitar Multi-FX Pedal - US Plug : Tools & Home Improvement Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Boss GT-1 Guitar Multi-FX Pedal - US Plug : Tools & Home Improvement](https://m.media-amazon.com/images/I/71awA3Z3H8L._AC_UF894,1000_QL80_.jpg)
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Boss GT-1 Guitar Multi-FX Pedal - US Plug : Tools & Home Improvement
![Amazon.com: for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1 RC-3 Amazon.com: for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1 RC-3](https://m.media-amazon.com/images/I/61Tk54d9P6S.jpg)
Amazon.com: for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1 RC-3
![K-MAINS Compatible AC-DC Adapter Charger Replacement for BOSS GT-1 Portable Guitar Effects Pedal Power Cord - Walmart.com K-MAINS Compatible AC-DC Adapter Charger Replacement for BOSS GT-1 Portable Guitar Effects Pedal Power Cord - Walmart.com](https://i5.walmartimages.com/asr/1c3d9783-402a-4445-b16c-877d7d946cca.d731040013e2e110a4567e2a19566079.jpeg)