2008 Buick Lucerne Fuel Pump Relay | Page 4 | Buick Forums Jun 25, 2017We own a 2008 Buick Lucerne cxl and are having the fuel pump issue. We replaced the fuel pump and bought the fuse block off ebay and it does not look the same as what was in there. Has anyone else encountered this? My husband is afraid to put the new one in even though it states it was the correct one in the ad on eBay. Rear Underseat Fuse Block - Buick user, repair, service Rear Underseat Fuse Block. Buick Lucerne / Buick Lucerne Owners Manual / Service and Appearance Care / Electrical System / Rear Underseat Fuse Block. The rear fuse block is located under the rear seat on the driver side. The rear seat cushion must be removed to access the rear fuse block. Removing the Rear Seat Cushion.
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