Dual amplifier connection harness required for direct-fit installation of PXE-X121-12EV 12-Channel High-Quality Audio Processor Amplifier into 2021 Tesla Model 3.

Model 3 System Integration Harness

OEM / Professional

2021 – KCU-TSL21M3-1

2022 – KCU-TSL22M3-1

Ultimate

2021 – KCU-TSL21M3-2

2022 – KCU-TSL22M3-2

Model Y System Integration Harness

OEM / Professional

2021 – KCU-TSL21MY-1

2022 – KCU-TSL22MY-1

Ultimate

2021 – KCU-TSL21MY-2

2022 – KCU-TSL22MY-2