Can you tell us what Buick motor you have? Then we can help find a diagram.
Engine is 455 out of 71-72 Buick ElectraCan you tell us what Buick motor you have? Then we can help find a diagram.
A few links that may help you..hard to find free ones..
Maybe this 72 one will help..
BUICKBUICK Car Manuals PDF free download - Enclave, Lucerne, Lacrosse, LeSabre, Riviera, Rendezvous, Rainier, Regal, Terraza, Verano; BUICK Wiring Circuit Diagrams (14!); History of Buick Carswww.automotive-manuals.net
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View attachment 9848