Service Manual for ARA Motorola TP77 AM FM MPX Multiplex Radio Stereo Cassette Tape Player, Models: FTP 11, FSP 21, 6703315, 6703316: Motorola staff, ARA Entertainment Products, not stated: Amazon.com: Books
1pce EC5 Male to MPX Multiplex Female No Wire Adapter for RC lipo Battery Charger Connector: Amazon.com: Industrial & Scientific