Diagram of a fuse box in a 94 buick skylark - Fixya SOURCE: 1992 BUICK LESABRE LIMITED, NEED FUSE BOX DIAGRAM the fuse is in panel with other fuses,however it will say a\c instead of heater. You may want to use a test light to check for voltage at the blower motor plug. 94 Buick Roadmaster | Buick Forums Apr 24, 2012First thing is to make sure it has good voltage at the battery. Volt meters are cheap, buy one. I would check the AUX battery post at the fuse box under the hood. 94's had an issue, where they were zinc, and caused all kinds of electrical issues. It was a GM TSB to have it replaced for free with a brass one, but it seems that very few had it done.