How about installing a navigation system in a 24V car? This is a DC/DC converter from Sugie Denki. Output has been confirmed. A compact converter that converts 24V to 12V. - Model: VCD-24/12 - Voltage conversion: 24V to 12V - Connection terminals: Back, Illumination, +B, Accessory, Ground - Size: Compact body You can find more details by searching for Sugie Denki. For those who understand that this is a used item, and for those who are interested, please consider. #24v12vconversion #dc/dcconverter #deco-deco (slang for DC/DC converter)