GM SPO Group Numbers. Oldsmobile Silhouette Ext. 1999

For 1990-2009 cars only

Makes 🢒 Oldsmobile 🢒 1999 🢒 Silhouette Ext. 🢒 Body and Accessories 🢒 Horns 🢒 GM SPO Group Numbers

Application	GM SPO Group Number
Horn Relay	12.815
Horn	2.810