The 86 has a mechanical pump. There are no electrical connections.
change your fuel filter
87 octane
go www.autozone.com give them your vehicleninformation and check the schematic diagram section.
The fuel pump relay on 1986 Chevy Elcamino 4.3 TBI is in the Fuel Injection Tank.
look on eBay for service manual.
replace the fuel float inside the gas tank.
NO, it has only one fuel pump, and it is mechanical.
A schematic would be located in a service/repair manual.
In the gas tank.
carburetor.
yeah go to http://www.fuelairspark.com/ezefi/default.asp this will show you how to do it and how much it will cost
Located on the fuel inlet line on the carb.