Here's how to wire the 2005 headlights to a 2001-2004 Escape if you want to do this with no modifications to other wiring in your car.
While the 2005-2007 Escapes turn on both the low and high beams when the high beams are on, this wiring will light only the high beams when the high beams are on, which is the way that the 2001-2004 models work. The upside of this is that you won't be putting extra current on your 2001-2004's wiring. The downside is that the 2005-2007 headlamps were designed to increase high-beam power by sacrificing light directly in front of the car, and that's handled by the low beams. If you don't use your high beams for normal driving, this won't be a problem.
If you do want to light the low beams with the high beams, don't use the circuit published on other sites to do this. The 2001-2004 Escape relied on a strange combination of series connections for the fog lamps and the high-beam indicator. I don't have time to do this today, but I'll try to get that circuit up this week. You need only a DPST relay (I have a source for a GOOD weather-tight $12 relay to do this), and you'll need to cut one wire to the high-beam indicator in the instrument cluster.
SO, if you have your 2005-2007 headlamps, here's how to connect them using Ford's
WPT-249 connector, which plugs into each headlamp housing. You can also use a pair of the connectors from a wrecked 2005-2007 Escape. Both types of connections are shown below. I had to PhotoShop a few of the diagrams.
I wouldn't recomment wiring 2005-2007 headlamps without these connectors, because they snap tightly into the housings, they keep out dirt and moisture, and they prevent electrical problems. If you use spade lugs, vibration could work them loose from the headlamps, and they could cause a short or other electrical problems if they fall off.
Also, while the 2005-2007 headlamps usually include the park and turn signal lamps and sockets, they won't fit the 2001-2004 connectors, but you can use your existing 2001-2004 turn signal sockets in the 2005-2007 turn signal openings.
If you use Ford's WPT-249 connector:
Left (driver side in North America):
From the wiring in your 2001-2004 Escape, run the wires as follows:
'01-'04
WHITE with LIGHT GREEN STRIPE wire ----> '05
BLACK wire in the
center of the connector
'01-'04
LIGHT GREEN with BLACK STRIPE wire ----> '05
BLACK wire on the
outer lower side of the connector
'01-'04
RED with BLACK STRIPE wire ----> '05
BLACK wire on the
outer upper side of the connector
On the connector, cut the two inner wires, and the upper and lower center wires. You can cut them flush with the connector. They have nothing connected to them, but they should be left on the connector to keep the connector sealed.
Right (passenger side in North America):
From the wiring in your 2001-2004 Escape, run the wires as follows:
'01-'04
WHITE with LIGHT GREEN STRIPE wire ----> '05
BLACK wire in the
center of the connector
'01-'04
LIGHT GREEN with BLACK STRIPE wire ----> '05
BLACK wire on the
outer upper side of the connector
'01-'04
RED with BLACK STRIPE wire ----> '05
BLACK wire on the
outer lower side of the connector
On the connector, cut the two inner wires, and the upper and lower center wires. You can cut them flush with the connector. They have nothing connected to them, but they should be left on the connector to keep the connector sealed.
If you use a set of connectors taken from a 2005-2007 Escape (one connector from each side), you'll have three wires on each connector.
* The left (driver side) connector will have three wires: a
BLACK wire in the center, a
DARK BLUE with LIGHT GREEN STRIPE wire, and a
DARK GREEN with ORANGE STRIPE wire.
* The right (passenger side) connector will have three wires: a
BLACK wire in the center, a
WHITE with LIGHT GREEN STRIPE wire, and a
DARK BLUE with WHITE STRIPE wire.
Left (driver side in North America):
From the wiring in your 2001-2004 Escape, run the wires as follows:
'01-'04
WHITE with LIGHT GREEN STRIPE wire ----> '05
BLACK wire in the
center of the connector
'01-'04
LIGHT GREEN with BLACK STRIPE wire ----> '05
DARK BLUE with WHITE STRIPE wire on the
outer upper side of the connector
'01-'04
RED with BLACK STRIPE wire ----> '05
WHITE with LIGHT GREEN STRIPE wire on the
outer lower side of the connector
Right (passenger side in North America):
From the wiring in your 2001-2004 Escape, run the wires as follows:
'01-'04
WHITE with LIGHT GREEN STRIPE wire ----> '05
BLACK wire in the
center of the connector
'01-'04
LIGHT GREEN with BLACK STRIPE wire ----> '05
DARK GREEN with ORANGE STRIPE wire on the
outer lower side of the connector
'01-'04
RED with BLACK STRIPE wire ----> '05
DARK BLUE with LIGHT GREEN STRIPE wire on the
outer upper side of the connector