Remove the fuel tank. See Fuel Tank / Service and Repair.
Remove the fuel tank sending unit and pump assembly by turning the cam lock ring counterclockwise. Lift assembly from the fuel tank.
Pull the fuel pump up into the attaching hose while pulling outward away from the bottom support. Take care to prevent damage to the rubber insulator and strainer during removal. After the pump assembly is clear of the bottom support, pull the pump assembly out of the rubber connector for removal. NOTE: Inspect the fuel pump attaching hose for any signs of deterioration. Also check the rubber sound insulator at the bottom of the pump. Replace damaged or deteriorated parts.
INSTALLATION
Push the fuel pump assembly into the attaching hose.
Position the fuel tank sending unit and pump assembly into the fuel tank. Use a new "O" ring seal. NOTE: Care should be taken not to fold over or twist the strainer when installing the sending unit as this will restrict the flow of fuel. Also, verify that the strainer does not block the full travel of the float arm.
Install cam lock over the assembly and lock by turning clockwise.
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It has a short to ground possibly in the fuel pump circuit . Check what you can get to of the wiring of the fuel pump for bare insulation . This is ECM1 fuse ?
I DON'T KNOW OF ANY RESET BUTTON OR INERTIA SWITCH USED ON GM VEHICLES, USUALLY THEY DO HAVE FUEL PUMP RELAY AND RECIEVE BATTERY VOLTAGE FROM AN ECM FUSE
Check the cable that goes from your battery to the fuse box the relay that is clicking is on. Check for lose bolts or corrosion of the contacts or something like that. If the relay is clicking it sounds to me like it is a voltage issue going to the relay.
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