Will 8 gauge automotive wire soldered to the regular 12 gauge power cord hurt the radio? Shawn February 26, 2019 18:37 Updated No, it won't hurt the radio. This can help reduce the amount of voltage drop when you transmit. Related articles What size fuse is recommended for the inline holder? Does the 955 have all the am channels that 497 does? Which fuse do I use for this radio? Interference from the flashing lights on my vehicle? I forgot to register my radio, do I still have a warranty? Comments 0 comments Article is closed for comments.