![Bought a used Boss GE-7 and found this mod inside. Pedal doesn't work with a battery but works fine with a power supply. Any idea what the previous owner tried to do? : Bought a used Boss GE-7 and found this mod inside. Pedal doesn't work with a battery but works fine with a power supply. Any idea what the previous owner tried to do? :](https://preview.redd.it/w0g4mcr6agb31.jpg?auto=webp&s=a66d526f7bae79979623347cb8c9a45de8186a9b)
Bought a used Boss GE-7 and found this mod inside. Pedal doesn't work with a battery but works fine with a power supply. Any idea what the previous owner tried to do? :
![Boss GE-7 - How Bad is the Noise Issue Really? Testing the Noise, and Mod to Drastically Improve It - YouTube Boss GE-7 - How Bad is the Noise Issue Really? Testing the Noise, and Mod to Drastically Improve It - YouTube](https://i.ytimg.com/vi/Vp_l1A_SM2k/maxresdefault.jpg)
Boss GE-7 - How Bad is the Noise Issue Really? Testing the Noise, and Mod to Drastically Improve It - YouTube
![Patron GE 7 7 Band EQ pedalı, 7 band EQ gitar Stompbox Pedal paketi alır, parlatma bezi ve dizeleri sarıcı|Gitar Parça ve Aksesuarı| - AliExpress Patron GE 7 7 Band EQ pedalı, 7 band EQ gitar Stompbox Pedal paketi alır, parlatma bezi ve dizeleri sarıcı|Gitar Parça ve Aksesuarı| - AliExpress](https://ae01.alicdn.com/kf/H68187699f2ee4852958191a84ac9046a7/Patron-GE-7-7-Band-EQ-pedal-7-band-EQ-gitar-Stompbox-Pedal-paketi-al-r.jpg_Q90.jpg_.webp)