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A. It is a replacement transmitter for the 30047500 chassis ear or wireless stethoscope diagnostic kit.
A. They need it when the original channel 2 transmitter is lost, damaged or no longer functioning reliably.
A. It sends sound from a clipped-on sensor at suspect locations to a receiver, allowing technicians to pinpoint noises while driving.
A. Correct number ensures the receiver recognises each channel properly, avoiding confusion between monitored locations.
A. Wheel bearing rumble, driveline knocks, suspension creaks or engine accessory noises can all be traced more accurately.
A. Store them in the kit case, switched off, with batteries removed if unused for extended periods.
A. Turn them off promptly after tests and use good-quality batteries recommended by the manufacturer.
A. It restores clear, reliable audio from that channel, helping technicians trust the noise comparisons they hear.
A. Contamination can damage electronics or cause intermittent operation, undermining diagnostic reliability.
A. It makes it easier to remember which channel corresponds to which location during road tests."
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