Vortech 1996-1998 Ford 4.6L Mustang Cobra User Manual

Page 17

P/N: 4FK020-010

24NOV08 v3.0(4.6L DOHC Cobra (4FK v3.0))

A. Remove the spare tire, etc. from the trunk.

B. Jack up the rear of the car and support with jack

stands.

C. Mount the fuel pump to the underside of the spare

tire well with the adel clamp and #8 fasteners

provided. (See Fig. 5-b on this page and Fig.

5-c on page 8.)

D. Remove the factory female hose end connected

to the fuel filter inlet.

E. Insert the supplied 1/2” fuel pump inlet hose

adapter fitting into the factory female supply hose

fitting by gently pushing the fittings together and

making sure they are locked.

F. Attach the supplied 1/2” fuel hose to the pump

inlet and the inlet hose adapter fitting. Use the

supplied #4 clamps to secure both ends. Cut

hose length, if necessary.

G. Fasten the extended pump inlet line clear of the

filter by looping the two 11” cable ties through the

front slot on the fuel filter mount, being careful

not to kink the line.

H. Plug the female connector located on the pump

discharge line onto the fuel filter inlet making sure

the hose assembly clears all exhaust tubing and

sharp objects.

I. Mark and drill a 1/8” hole and mount the relay

inside the trunk in position as shown in the tem-

plate. Use the sheet metal screw provided.

J. From relay terminal #85, tap the yellow wire into

the stock fuel pump harness in the trunk near

the right tail light. Tap into the purple wire with

the supplied scotch lock. (On some model years,

wire may be brownish-green.)

K. Connect the short red wire on relay terminal #8

to the (+) terminal on the fuel pump.

L. Connect the longer black wire from the (-) terminal

on the fuel pump to a clean ground.

M. Connect the short black wire to a clean ground

from relay terminal #86 (relay screw mount works

well).

N. Route the remaining long red wire from relay

terminal #30 up to the fuse panel located under

the dash. Using a solderless connector, connect

the supplied fuse holder and fuse to the end of

the wire. Crimp the fuse wire to the supplied

female slide and fuse tap. Attach fuse tap and

wire to fuse # 17.

5. T-REX FUEL PUMP INSTALLATION (1998 models only)

NOTE: Use extreme caution when routing

fuel lines. Make sure fuel lines are

located away from hot exhaust pipes

and sharp edges on the vehicle’s

underbody.

Fig. 5-b