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2004 Ford Super Duty F 450 - Page 4 Questions & Answers
Instrument Cluster does not work.
could be the plug on the back of the cluster make sure you have enough pin drag at the cluster, it could be sloppy due to vibrations
2004 F-53 motor home chassis with speedometer lagging about 20mph
I know electrical problems are probably the most frustrating things to go wrong. First I would like you to get your alternator and auxillary power generator checked. Autozone and similar can scan it. My alternator had us doing 55mph at a stop and running up miles too!
The generator can put out "dirty" power that is incompatible with delicate electronics.
There may be a speed sensor in the differential. I know some have them there. If not, I am sorry to say your computer may be bad. There are aftermarket devices for adjusting the speedometer for different size wheels and tires. This is done with computer reprogramming. Your vehicle should not have lost its settings on its own. If something is interferring with the readings it is possible to remove that device and your computer may recover.
Your leveler alert horn may be out of adjustment. Test the leads of horn before scrapping it. It may still honk.
If you recently plugged into a trailer park before this came about, you should have some warning panel to test crossed wires. If this is electrical damage due to casualty you may have homeowners coverage. Good Luck
The selector switch for dash air ,floor air
Hi, sounds like a vacuum problem. When you select from floor to vent to defrost, the system uses vacuum from the engine to change over. If you look under the hood, near the firewall, towards the center, there should be small rubber vacuum lines. Check these lines for leaks with the engine on by spraying soapy water on the lines. If you see bubbles forming on any of the vacuum lines, this is where the leak is. Also check the vacuum lines going to the climate control unit inside the vehicle.
Speedometer
electronic try changing wheelspeed sencor might be on top of rearend i think it should have 2 wires that unplug and a 10mm bolt that holds it
How to adjust clutch brake on a eaton 2800 series
This is from
http://refrigeratedtrans.com/mag/transportation_replace_original_equipment/"A good clutch adjustment begins by identifying the location of the
bearing. It should be positioned 1/2" to 9/16" from the clutch brake."
"After the bearing is set, adjust the truck linkage to allow the
clutch brake to squeeze a .010" feeler gauge between the bearing and
clutch brake when the pedal is no more than 1" to 1.5" from the floor.
Setting the clutch brake position too far from the floor reduces the
stroke to the clutch and could cause release problems and reduce brake
life.
All that remains is checking the free-pedal
distance in the cab. With the pedal in the up position, there should be
1" to 3" of free pedal. The clutch is now adjusted correctly."
F 450 instrument cluster has no power and is inop
Interior fuse box fuse no.33(15amp) supplies power in run/acc postion to BK/PK wire pin 19 of cluster.
Interior fuse box fuse no. 45(10 amp) supplies power in the start or run postion on the RD/YE wire pin 20 of cluster.
Interior fuse panel fuse no. 41(10amp) supplies power to the battery saver relay on LG/OG wire pin 11.
Interior fuse panel fuse no. 35(10amp) supplies power to interior lamp relay on BK/LG wire pin 12.
The last 2 are hot at all times.
Wheel seized to mounting plate
i had the same problem tried all you did .i lossen all the lugs not removed and drove around the block it finnaly broke loose
Towing
Go to this towing guide website within the Ford site.
Ford tractor alternator problem
Alternater has two leads(wires) take a jumper wire and zap the snall wire connection. just zap it, don't hold power to it... injury hazard when around running componants. have engine running when zapping. good luck and be careful
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