Seller notes

BT30 OBDII Memory Saver, is a polarity-protected cable that attaches to a 12 Volt backup battery to provide power via the OBDII/EOBD port to onboard electronics while the vehicle's battery is disconnected, preventing vehicle data loss and saving the time & Money and effort of re-coding systems. Features: Avoid information loss when the car computer blackout. Good helper for changing car battery. Maintain the car computer memory:dashboard information, digital clock, acoustics, memory seats, ABS, ...

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