trini Posted November 6, 2019 Share Posted November 6, 2019 I am looking for a schematic for a Buick 12 volt system. The Radio was made by Delco in the US. The first 4 digits are 9813 but the other 2 digits are partly missing, They look like either 22 or 33. The valves are 12BA6 (2) 12BE6 (2) 12V6 (2) 12AU7 . The metal tube is unreadable because of rust. A total 8 tubes. Please PM me. Link to comment Share on other sites More sharing options...
den58 Posted November 9, 2019 Share Posted November 9, 2019 year of car i have some radios most of the time it is the capators hope this helps dennis Link to comment Share on other sites More sharing options...
radioguybill Posted November 28, 2019 Share Posted November 28, 2019 You can go to this site and print out for free by joining. The model number is 981321 https://www.radiomuseum.org/r/united_1_981321_buick.html Bill Link to comment Share on other sites More sharing options...
trini Posted December 11, 2019 Author Share Posted December 11, 2019 radioguybill, thank you. Rick from Regina in Canada , by interpreting the valves determined the model to be 981323. It has a 5au4 valve. It has a foot switch for changing stations . Now I will have to replace the Electrolytic Capacitor , 0z4 valve, buffer capacitor and coupling capacitor. These parts are readily available from Tubes AND more Link to comment Share on other sites More sharing options...
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