Where is the fuel relay located on a 1999 Ford mustang V-6 stick shift on 1999 Ford Mustang

Do not hear fule pump coming on checked all fuses in engin compartment all are good the one 20amp mini running the fuel pumps tests good all other test good. Tripped and reset the fule shut off switch in trunk a few times did get gas for a minute but not long enough to start? I have a new fule relay for this car but CAN NOT FIND WHERE IT IS HIDDEN!!! Have looked onder drivers seat, on back wheel well in trunk passenger side under glove compartment under hood every where I can think of please help I even called for dealership no help THANK YOU!

Asked by for the 1999 Ford Mustang
To my understanding with the 99 mustangs, there is no Relay itself... you mainly have a 20amp fuse in the front engine compartment, and there is a reset switch in the drivers side trunk behind the left side carpeting(this normally only trips if its given a good shake.) So if your fuse is good, and your reset is good, chances are you are going to need a new fuel pump. if you have enough knowledge to do it yourself, and the right tools, make sure when you drop the tank, to test the wiring with a voltage meter of some type... I hope this helps you and good luck!
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My information shows the inertia switch/fuel pump reset button is in the left rear corner of the trunk but doesn't have any good illustration.
My information says the fuel pump relay is integrated with the "constant control relay module" and is mounted on a bracket just behind the coolant reservoir. Before replacing it I would trace the wiring make sure what should be live is live/powered under various conditions key on or engine running. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate
Thank you I know where that switch is however I am looking for the fuel relay location I have bought the new relay but it seems no one seems to know where it is located on this car I have looked everywhere... they sell the relay for this make and model meaning it has to be a legitimant part for the car and be replaceable im going crazy!!!!!!!