![Hey I just attempted my first mod by trying to add a power supply to my big muff. When I plug everything in the pedal won't power on. Can someone tell me Hey I just attempted my first mod by trying to add a power supply to my big muff. When I plug everything in the pedal won't power on. Can someone tell me](https://preview.redd.it/hey-i-just-attempted-my-first-mod-by-trying-to-add-a-power-v0-t91hp2wjwy3a1.jpg?width=640&crop=smart&auto=webp&s=5bf97fb3f25405c57bb08e69483cbb4820bf78db)
Hey I just attempted my first mod by trying to add a power supply to my big muff. When I plug everything in the pedal won't power on. Can someone tell me
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Amazon.com: AC Adapter Charger for Electro-Harmonix Big Muff PI with Tone Wicker Power Supply Cord : Electronics
![Amazon.com: AC Adapter Charger for Electro-Harmonix Big Muff PI with Tone Wicker Power Supply Cord : Electronics Amazon.com: AC Adapter Charger for Electro-Harmonix Big Muff PI with Tone Wicker Power Supply Cord : Electronics](https://m.media-amazon.com/images/I/711mxfOwLmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AC Adapter Charger for Electro-Harmonix Big Muff PI with Tone Wicker Power Supply Cord : Electronics
![9V-9.6V Ac/Dc Adapter Compatible With Electro-Harmonix Q-Tron Envelope Filter Effect Pedal 9Vdc-9.6Vdc Germanium4 Big Muff Pi Effects Pedal Power Supply Cord Cable Battery Charger (Not 24V) - Newegg.com 9V-9.6V Ac/Dc Adapter Compatible With Electro-Harmonix Q-Tron Envelope Filter Effect Pedal 9Vdc-9.6Vdc Germanium4 Big Muff Pi Effects Pedal Power Supply Cord Cable Battery Charger (Not 24V) - Newegg.com](https://c1.neweggimages.com/ProductImage/AP9WD2204210EDBHW2C.jpg)
9V-9.6V Ac/Dc Adapter Compatible With Electro-Harmonix Q-Tron Envelope Filter Effect Pedal 9Vdc-9.6Vdc Germanium4 Big Muff Pi Effects Pedal Power Supply Cord Cable Battery Charger (Not 24V) - Newegg.com
![KONKIN BOO Compatible AC / DC Adapter Replacement for Electro-Harmonix #1 Echo, Nano LPB-1, Big Muff Pedal Phone Plug Power Supply Cord Cable PS Wall Home Charger Mains PSU - Walmart.com KONKIN BOO Compatible AC / DC Adapter Replacement for Electro-Harmonix #1 Echo, Nano LPB-1, Big Muff Pedal Phone Plug Power Supply Cord Cable PS Wall Home Charger Mains PSU - Walmart.com](https://i5.walmartimages.com/asr/96ee8181-3f29-49d4-8afc-0ceed5003a91.ee47c06d5bfefe776d69dd300b13ddd7.jpeg)
KONKIN BOO Compatible AC / DC Adapter Replacement for Electro-Harmonix #1 Echo, Nano LPB-1, Big Muff Pedal Phone Plug Power Supply Cord Cable PS Wall Home Charger Mains PSU - Walmart.com
![Electro-Harmonix Big Muff Pi Hardware Plug-in Effects Pedal and 2-in/2-out USB Interface | Sweetwater Electro-Harmonix Big Muff Pi Hardware Plug-in Effects Pedal and 2-in/2-out USB Interface | Sweetwater](https://media.sweetwater.com/api/i/q-82__ha-533bbba73cde7e6d__hmac-b17688d22f50275f0f43e104ec4beefc1c5bb724/images/closeup/750-BigMuffHW_detail1.jpg)
Electro-Harmonix Big Muff Pi Hardware Plug-in Effects Pedal and 2-in/2-out USB Interface | Sweetwater
![Amazon.com: PK Power AC-DC Adapter for Electro-Harmonix Op-Amp Big Muff Pi Fuzz Effects Pedal Power Supply Cord Mains PSU : Electronics Amazon.com: PK Power AC-DC Adapter for Electro-Harmonix Op-Amp Big Muff Pi Fuzz Effects Pedal Power Supply Cord Mains PSU : Electronics](https://m.media-amazon.com/images/I/61eu61Ia2-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: PK Power AC-DC Adapter for Electro-Harmonix Op-Amp Big Muff Pi Fuzz Effects Pedal Power Supply Cord Mains PSU : Electronics
![Big Muff Guitar Pedal | Power Supply Adapter | Fuzz Overdrive Pedal - Guitar Parts & Accessories - Aliexpress Big Muff Guitar Pedal | Power Supply Adapter | Fuzz Overdrive Pedal - Guitar Parts & Accessories - Aliexpress](https://ae01.alicdn.com/kf/HTB1uYEXayLrK1Rjy1zdq6ynnpXaU/Effect-Pedal-Power-Supply-Adapter-for-Soul-Food-Overdrive-Canyon-Delay-Looper-Nano-Big-Muff-Pi.jpg_Q90.jpg_.webp)
Big Muff Guitar Pedal | Power Supply Adapter | Fuzz Overdrive Pedal - Guitar Parts & Accessories - Aliexpress
![Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Electro-Harmonix Little Big Muff Effects Pedal - US Plug : Electronics Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Electro-Harmonix Little Big Muff Effects Pedal - US Plug : Electronics](https://m.media-amazon.com/images/I/61O-qsP4YqL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Electro-Harmonix Little Big Muff Effects Pedal - US Plug : Electronics
![Amazon.com: (Taelectric) AC Adapter for Electro-Harmonix EHX Nano Big Muff PI Power Supply Cord : Electronics Amazon.com: (Taelectric) AC Adapter for Electro-Harmonix EHX Nano Big Muff PI Power Supply Cord : Electronics](https://m.media-amazon.com/images/I/61iv3gXeYfL._AC_UF1000,1000_QL80_.jpg)