2000 FORD F750 ABS

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0 30120 90 60
150AIR
PRESSURE
PSIP
Headlamp control
(pg. 20)Instrument cluster
(pg. 10)
Panel dimmer control
(pg. 20)
Turn signal and
wiper/washer control
(pg. 50) Parking brake*
(hydraulic brake system)
(pg. 82)
Instrumentation
8

Stop engine (if equipped)
This light is used in conjunction
with the electronic engine control.
Refer to the Engine Operator’s
Manual for specific information
regarding this feature.
If the engine shuts down, it can be
restarted and operated for 30
seconds at a time or until the
problem is corrected. Refer toEngine shutdown systemin theStarting
chapter.
Drivers of electronically controlled engines should know the
extent of warning engine shutdown system before operating the
vehicle. This information can be obtained from your dealer.
Turn signal
Illuminates when the left or right
turn signal or the hazard lights are
turned on. If one or both of the
indicators stay on continuously or
flash faster, check for a burned-out
turn signal bulb. Refer toExterior bulbsin theMaintenance and care
chapter.
High beams
Illuminates when the high beam
headlamps are turned on.
Anti-lock brake system (ABS)
Momentarily illuminates when the
ignition is turned to the ON position
and the engine is off. If the light
remains on after the vehicle is
started, continues to flash or fails to
illuminate, have the system serviced immediately. With the ABS light on,
STOP
ENGINE
ABS
Instrumentation
12

Although OSHA or other governmental regulations may require use of an
electrical or mechanical back-up alarm to warn bystanders, such an
alarm does not assure that the intended path is clear.
An electrical back-up alarm, if installed, is connected to the back-up
lamp circuit.
HYDRAULIC BRAKES (IF EQUIPPED)
Your service brakes are self-adjusting. Refer to the Scheduled
maintenance guide for scheduled maintenance.
Occasional brake noise is normal and often does not indicate a
performance concern with the vehicle’s brake system. In normal
operation, automotive brake systems may emit occasional or intermittent
squeal or groan noises when the brakes are applied. Such noises are
usually heard during the first few brake applications in the morning;
however, they may be heard at any time while braking and can be
aggravated by environmental conditions such as cold, heat, moisture,
road dust, salt or mud. If a“metal-to-metal,”“continuous grinding”or
“continuous squeal”sound is present while braking, the brake linings
may be worn-out and should be inspected by a qualified service
technician.
If you are driving down a long or steep hill, shift to a lower gear.
Do not apply your brakes continuously, as they may overheat
and become less effective.
Four-wheel anti-lock brake system (ABS)
On vehicles equipped with an anti-lock braking system (ABS), a noise
from the hydraulic pump motor and pulsation in the pedal may be
observed during ABS braking events. Pedal pulsation coupled with noise
while braking under panic conditions or on loose gravel, bumps, wet or
snowy roads is normal and indicates proper functioning of the vehicle’s
anti-lock brake system. If the vehicle has continuous vibration or shudder
in the steering wheel while braking, the vehicle should be inspected by a
qualified service technician.
Driving
82

The ABS operates by detecting the
onset of wheel lockup during brake
applications and compensating for
this tendency. The wheels are
prevented from locking even when
the brakes are firmly applied. The
accompanying illustration depicts
the advantage of an ABS equipped
vehicle (on bottom) to a non-ABS
equipped vehicle (on top) during hard braking with loss of front braking
traction.
Servicing or replacing ABS module
1. Remove any contamination from the exterior of the module assembly
before disconnecting any brake tubes. Keep the contamination away from
all open ports and brake tubes.
2. Mark and tag all brake tubes and electrical connectors before
disassembly.
3. Perform the necessary repair.
4. Using the marked tags from disassembly, connect the brake tubes and
electrical connectors.
Always mark and tag the brake tubes and the electrical
connectors prior to disassembly to ensure correct assembly and
prevent brake failure.
ABS warning lamp
The
ABSwarning lamp in the instrument cluster momentarily illuminates
when the ignition is turned on and the engine is off. If the light does not
illuminate momentarily at start up, remains on after the vehicle reaches
10 to 15 km/h (5 to 10 mph), or continues to flash, the ABS needs to be
serviced.
With the ABS light on, the anti-lock brake system is disabled and normal
braking is still effective unless the brake warning light also remains
illuminated. (If your parking brake warning lamp illuminates, have your
vehicle serviced immediately).
Driving
83

Using ABS
•In an emergency or when maximum efficiency from the ABS is
required, apply continuous full force on the brake. The ABS will be
activated immediately, thus allowing you to retain full steering control
of your vehicle and, providing there is sufficient space, will enable you
to avoid obstacles and bring the vehicle to a controlled stop.
•The Anti-Lock system does not decrease the time necessary to apply
the brakes or always reduce stopping distance. Always leave enough
room between your vehicle and the vehicle in front of you to stop.
•We recommend that you familiarize yourself with this braking
technique. However, avoid taking any unnecessary risks.
Hydraulic brake booster system (Hydromax)
The Hydromax systems receive fluid pressure from the power steering
pump to provide power assist during braking.
The Hydromax booster receives backup pressure from the reserve
system electric pump whenever the fluid in the power steering system is
not flowing. When the engine is OFF, the pump will turn on if the brake
pedal is applied, or if the ignition is turned to the ON position.
The sound of the pump operating may be heard by the driver, but this is
a normal characteristic of the system.
The reserve system provides reduced braking power, so the vehicle
should be operated under these conditions with caution, and only to seek
service repair and remove the vehicle from the roadway.
For Hydromax under normal operating conditions noise of the fluid
flowing through the booster may be heard whenever the brake is applied.
This condition is normal. Vehicle service is not required.
If braking performance or pedal response becomes very poor, even when
the pedal is strongly applied, this may indicate the presence of air in the
hydraulic system or fluid leakage. Stop the vehicle safely as soon as
possible and seek service immediately.
If the red BRAKE warning lamp in
the instrument cluster remains
illuminated after engine start up,
this indicates a system failure in the
master cylinder of the brake system.
Stop the vehicle safely as soon as possible and seek service immediately.
!
BRAKE
Driving
84

Emergency air brake
All vehicles are equipped with a dual brake system. In the unlikely event
of a failure of one system, the second system will function for emergency
stopping. These systems are all controlled by the brake pedal in the
same manner as for normal stops.
Do not continue to operate the vehicle with a failure of one of
the systems. Take the vehicle to your dealer for service
immediately.
Anti-lock braking system (if equipped)
For information on the anti-lock braking system (ABS), refer to
Hydraulic brakesin this chapter.
Driving with ABS
The ABS system functions just like a standard air brake system. Maintain
a steady brake pedal application; you do not need to pump or remove
your foot from the pedal. The ABS keeps the wheels rolling during
braking to maintain control and reduce stopping distances.
Parking brake
Do not use the gearshift selector in place of the parking brake.
Always set the parking brake fully AND make sure the gearshift
selector is in R (Reverse) for vehicles equipped with manual
transmission or N (Neutral) for vehicles with automatic transmission.
Unexpected and possible sudden vehicle movement may occur if
these precautions are not taken.
If the service brakes should fail to operate while the vehicle is in motion,
you can make an emergency stop with the parking brake. The stopping
distance, however, will be much greater than normal. Repairs should be
made immediately to an inoperative air brake system circuit.
Driving
90

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment
Fuse Panel Description
13 20A Radio, Cluster, 7.3L Power Stroke
Powertrain Control Module (PCM), Keep
Alive Memory
14 10A Interior Lamps
15 10A GEM, Interior Lamp Relay
16 15A Highbeams
17—Not Used
18 5A Headlamp switch, GEM
19 15A Engine, Cluster, Cummins PC M, CAT PCM,
7.3L Power Stroke PCM (Idle Valid Switch
Input)
20 15A Starter Relay, GEM
21 10A Daytime Running Lamps (DRL)
22 15A Not Used (Spare)
23 10A Electronic Flasher
24 15A Vacuum Pump, Air Dryer, ABS, Fuel Heater
Relay
25 10A Blower Motor Relay
26 10A Right Low Beam Headlamp
27—Not Used
28 10A Left Low Beam Headlamp
29 10A Cluster, GEM, 7.3L Power Stroke PCM
(clutch switch input), APCM (7.3L Power
Stroke only)
30 30A 7.3L Power Stroke PCM Diode, 7.3L Power
Stroke Fuel Heater
31 15A Allison MD Transmission, Neutral Start
Relay and PCM (7.3L Power Stroke only)
Relay 1—Interior Lamps
Relay 2—Not Used
Relay 3—Horn
Relay 4—One Touch Down
Relay 5—Not Used
Roadside emergencies
118

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
7 15A* Stop Lamps
8 25A* C AT Fuel Heater
9—Not Used
10 15A* Shift Modulator (Allison AT trans only)
11 20A* Allison MD Trans
12—Not Used
13—Not Used
14—Not Used
15 7.5A*
Body Builder Prep (Hydraulic Vehicles Only)
16—Not Used
17—Not Used
18—Not Used
19—Not Used
20—Not Used
21 10A* GEM (Hydraulic Vehicles Only)
22—Not Used
23—Not Used
24—Not Used
101 40A** ABS (Air Only)
102 20A** Body Builder Prep Run Feed
103 50A** Ignition Switch (JB fuses 8, 9, 11, 19, 20,
22, 23, 24, 25, 29, 30, 31)
104 20A** Power Point
105 20A** Power Door Locks
106 30A** Headlamps
107 50A** Junction Box Battery Feed (fuses 1, 2, 3, 4,
12, 13, 14, 15)
108 40A** Cummins Fuel Heater
109 40A** Power Windows
110—Not Used
111 30A** Body Builder Prep
Roadside emergencies
120