Thumbsticks on any controller are notoriously difficult to replace, and on this controller frustration got the better of the person who tried to upgrade on of the joysticks/thumbsticks to a drift proof TMR. This video covers diagnosing the issue and how to fix it and what tools are needed Timestamps: 00:07 - Seeing what the problem is 00:27 - Tools needed 00:37 - Why you should use insulated jumper wire 00:49 - Disassembly 01:15 - Damage revealed 01:56 - Multimeter testing and comparing the measurements between the thumbsticks 02:10 - Alternative soldering points to use 02:22 - Removing the insulation from a jumper wire 02:33 - Cleaning and prepping the board 02:55 - Soldering in the jumper wire 04:33 - Soldering in the calibration wire 04:44 - Cleaned and ready 05:09 - Multimeter testing for continuity 05:25 - Reassembly and testing if the repair was successful 06:39 - Recalibration after a successful repair Music used in order * Savestate - boy 2000 * PQ Practical Intelligence Quotient OST - File Select * PQ Practical Intelligence Quotient OST - Online records * PQ Practical Intelligence Quotient OST - Unknown track