This is a used GM cruise control transducer, part number 25031604, with a 3-wire connection. Commonly found in 1970s–1980s GM diesel vehicles. It is untested and being sold for parts or repair only.

✅ Fits:
• Likely used in various 1970s–1980s GM diesel vehicles
• 3-wire design – please confirm compatibility using part number 25031604

✅ Condition:
• Used – untested
• Sold for parts or not working
• Shows oil residue, dirt, dust, and surface wear from age and storage
• No guarantee of functionality
• Please review all photos carefully to verify condition

✅ Item Details:
• Part number: 25031604
• Application: Cruise control transducer
• Connection: 3-wire