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Try looking under the hood along the fire wall.It could be 1 inch by 1 inch ,or 1 inch by 2 inch.Test by placing fingers over relay,while a helper turns the ignition key to the "on" position(being careful not to turn over starter- remember you are working under the hood be safe)you will feel the relay opening under your fingers as the key in ignition is turned to "on" position,it will feel like a click under your fingers.Repeat on relays until you locate fuel pump relay.I have found that on 1985 2.5Lfuel injected carbuerater Buick century station wagon, the fuel pump relay to be on passenger side by fire wall the relay on the right in a group of two relays in one bracket secured to firewall. Try looking under the hood along the fire wall.It could be 1 inch by 1 inch ,or 1 inch by 2 inch.Test by placing fingers over relay,while a helper turns the ignition key to the "on" position(being careful not to turn over starter- remember you are working under the hood be safe)you will feel the relay opening under your fingers as the key in ignition is turned to "on" position,it will feel like a click under your fingers.Repeat on relays until you locate fuel pump relay.I have found that on 1985 2.5Lfuel injected carbuerater buick century station wagon, the fuel pump relay to be on passenger side by fire wall the relay on the right in a group of two relays in one bracket secured to firewall.I've been told that the clicking indicates the switch is opening and working correctly.

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โˆ™ 2005-12-10 04:05:02
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Q: Where can you find a fuel pump relay for a 1985 Buick Century with electronic carburetor and electric fuel pump?
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