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How do you locate a fuel relay on a 1988 GMC Suburban 2500 5.7 liter fuel?
Wiki User
∙ 14y ago
Have a friend sit in the driver's seat, with your hood up. Turn off everything electric in the 'Burb - radio, heater, etc. Lean under the hood and have him put the key from the Off Position to the On Position (DO NOT START!), you will hear a "Click!" and the buzzing of the fuel pump, then another "Click!" when the pump stops. Your fuel relay is the little device making the click, and on a Chevy all of the relays are usually located in a smallish black plastic box with a cover on it. Have your friend keep cycling the key until you locate which relay it is. You also may have a diagram on the inside of the relay cover identifying which relays are which, but that isn't always the case. You remove the relay by simply pulling the relay straight out.
Wiki User
∙ 14y ago
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