F350 REPLACING 9Ft SERVICE BOX FOR A 8Ft BED

If you can't find out the reason, get scanned the computer of your car for a disgnosis

i already answered it on the following link by maybe the same person who's asking this question

How do drop the oilpan on 2005 ford f350 xl superduty 7 3 power stroke

Make : Ford
Model : F-350 Superduty Supercab
year : 2001
Engine type : 7.3 Turbo Diesel
Transmission fluid type : 4R100 automatic transmission
Good Luck

i do not know give these guys a call Truck & Van Specialties they may have an answer or get a hold of Ford but give these guys a call 1-(866)272-8407

for 2003, F2-111 is for the transfer case low to high relay and high to low relay.

Have you checked the recalls for that truck? My 1995 f-150 Had a recall on the cruise control. Also check the brake pressure switch, try replacing the sensor on the top of you differential (also controls your speedo)

Starter

Removal & Installation 1. Disconnect the positive and negative battery cables.
2. Raise and safely support the vehicle.
3. Remove the starter terminal cover.
4. Remove the terminal nut and separate the battery starter cable from the starter motor.
5. Disconnect the solenoid (S) terminal connector, if equipped with a starter mounted solenoid.
ø To disconnect the hard-shell connector from the solenoid (S) terminal, grasp the plastic shell and pull off; do not pull on the wire. Pull straight off to prevent damage to the connector and (S) terminal.
6. Remove the starter motor retaining bolts.
7. Remove the starter motor from the vehicle.
To Install:
8. Place the starter motor in position and install the starter motor retaining bolts. Tighten the bolts to 15-20 ft. lbs. (20-27 Nm).
9. Install the battery starter cable and a terminal nut to the starter motor. Tighten the terminal nuts to 79 inch lbs. (9 Nm).
10. Connect the solenoid (S) terminal connector, if equipped with a starter mounted solenoid.
11. Install the starter solenoid safety cap. If equipped.
12. Lower the vehicle.
13. Connect the positive and negative battery cables.
14. Start the engine several times to check starter motor operation

remove the inner wheel wells or cut it back to get some access its tight that way though i would just remove the two of them its 10& 11 mm on the top sidde just let everthing hang , it is either 5.5 mm or a 7 mm . the speed sensor is in the transfer case for the 4x4 or on theh rear on the trans for 2wd

LKQ salvage can get a dually rear. Thats where I bought mine. Still going strong after 182034 miles.