Trouble Solder the wires to the N64 Cartridge

Get one dirt cheap off of ebay and use a dremel to trim the cartridge slot off Since it has solder pads connected to the pins of the slot it

Have you tried cleaning the pin connector inside the Mega Drive? It's fairly simple to remove the shell and access the pin connectors

how to book slot for eamcet counselling 2023 I found out that you do NOT want to use alcohol or most other cleaners, as they leave light spots on the cartridge The best thing I found was Mr Clean Magic

how to cut a slot in wood by hand cartridge slot which can look kinda messy Here is a clean and easy way to modify your N64