Check Related links below.
under the hood on the left front, it looks like a large fuse box.
On a 1997 Ford Expedition : ( NO ) not on the front suspension It could have the REAR load levelling air suspension
I noticed that " Helpfull " had answered that the air suspension relay on a 1998 Ford Expedition was located on a bracket by the passenger side headlight . ( he came up with the answer after doing a Google search about 21 hours ago - was the answer not correct ? )
where is the relay for air suspension on a 2001 s430 benz?
how you find a air suspension relay in a Lincoln navigator
under the hood, passenger side in front of windshield fluid its a black box the size of a quarter.
The 1999 Mercury Grand Marquis air suspension relay switch can be found on the firewall in the engine compartment. The air suspension relay switch will be on the passenger side of the firewall.
Air Suspension switch is located in the PASSENGER SIDE kick area. Check owner's manual. If you don't have one copy and paste link below; www.fleet.ford.com/maintenance/owners_manuals
So what is the question ?
STRUTMASTERS.COM is a great source for air suspension parts
I was looking at the power distribution box diagram for your 1998 Ford Expedition and it shows ( 6 ) relays but none of them are labelled for the air suspension In the P D BOX : fuse # 4 is a 15 amp mini fuse for the air suspension service switch and fuse # 15 is a 50 amp maxi fuse for the AIR SUSPENSION SOLID STATE COMPRESSOR RELAY ------------------------------------------------------------------------------------------------------- Just adding to my answer : I did a Google search and found that the solid state air compressor relay is mounted on a bracket near the passenger side headlight
it is behind the right headlight. you can see it from the wheel well in front of the tire just behind the bumper