AIR CONDITIONING
Automatic A/C Wiring Diagram (1 of 2) for Ford Pickup F150 2008
List of elements for Automatic A/C Wiring Diagram (1 of 2) for Ford Pickup F150 2008:
- (heater blower motor wiring harness, in breakout to c299)
- (right front footwell) g203
- Air inlet mode door actuator (behind right side of dash)
- Anti- theft system
- Autolamp/sunload sensor (top left side of dash)
- Blower motor (behind dash)
- Blower motor relay
- Blower motor speed controller (right "a" pillar)
- C228a
- C228b
- C270e
- C270g
- C3008b
- Central junction box (cjb) (near right "a" pillar)
- Control solid state
- Defogger system
- Defrost req
- Defrost/panel/floor mode actuator (behind center of dash)
- Drv hi status
- Drv lo status drv heated seat req
- Feed a
- Feed b
- Feedback
- Fuse 116 30a
- Fuse 13 10a
- Fuse 5 7.5a
- G200 (left "a" pillar)
- Gnd
- High/low
- Hot at all times
- Hot in start or run
- Hvac module (eatc)
- In car temp
- In-vehicle temperature sensor (behind dash panel)
- Interior lights system
- Light sensor
- Mtr ctrl
- Pass hi status
- Pass lo status
- Pats ind
- Red
- Redundant in
- Rly ctrl
- Rly sw pwr
- S202
- S204 (heater blower motor wiring harness, in breakout to c299)
- S208
- S210
- S236
- S286
- Seats system
- Sens
- Sens rtn
- Sig
- Sun sensor
- Sunload sens
- Temperature blend door actuator (behind center of dash)
- Ubp
- Vbatt
- Vbc
- Vbc out
- Vehicle security module (super cab/super crew: left rear of cab) (regular cab: left "b" pillar)
- Vpwr
- Vref
- Vref rtn
Automatic A/C Wiring Diagram (2 of 2) for Ford Pickup F150 2008
Get access to all wiring diagrams of the car
List of elements for Automatic A/C Wiring Diagram (2 of 2) for Ford Pickup F150 2008:
- (4.6l: engine control sensor & fuel charge harness, near breakout to ho2s 11) (5.4l: engine control sensor & fuel charge harness, near breakout to charge motion control valve (cmcv)) s154
- (except 4.2l) (4.6l: engine control sensor & fuel charge harness, near breakout to c139) (5.4l: engine control sensor & fuel charge harness, near breakout to fuel injector 8)
- (right rear of engine compartment) powertrain control module (pcm)
- (top right front of engine) electronic fan clutch
- A/c clutch cycling pressure switch (right rear of engine compartment)
- A/c clutch relay
- A/c compressor clutch diode
- A/c compressor clutch field coil
- A/c pressure transducer sensor (right front of engine compartment)
- Acpt
- Audio/climate control switch
- Auxiliary relay box 1 (left side of engine compt)
- Backlite in
- Bvref
- C175b
- C175e
- C218b
- C220a
- C270a
- C270b
- Can bus +
- Can bus -
- Central junction box (cjb) (near right "a" pillar)
- Cht
- Clockspring (in steering column)
- Computer data lines system
- Cylinder head temperature sensor (4.2l: rear of left cylinder head) (4.6l: front of left cylinder head) (5.4l: top right rear of engine)
- Engine controls system
- Fan+
- Fan-
- Fc-v
- Fss
- Fss-gnd
- Fuse 11 10a
- Fuse 14 10a
- Fuse 32 15a
- G104 (right side of engine compartment)
- G110 (left front of engine compt)
- Hot at all times
- Hot in start or run
- Hot w/ pcm relay energized
- Instrument cluster
- Microprocessor
- Nca
- Rly ctrl
- S101 (engine control sensor harness, near breakout to auxiliary box 1)
- S104 (engine control sensor harness, near breakout to c139)
- S105
- S112
- S116
- S122
- S135 s173 (4.2l) (engine control sensor & fuel charge harness, near breakout to powertrain control module (pcm)
- S281 (main wiring harness, near breakout to c2026)
- Sig
- Sig rtn
- Sig_rtn
- Sound systems
- Temp+
- Temp-
- Ubp
- Vbpwr
- Vpwr
Manual A/C Wiring Diagram (1 of 2) for Ford Pickup F150 2008
Get access to all wiring diagrams of the car
List of elements for Manual A/C Wiring Diagram (1 of 2) for Ford Pickup F150 2008:
- (heater blower motor wiring harness, in breakout to c299)
- (main wiring harness, under dash, near breakout to blower motor resistor) s275
- (right front footwell) g203
- Ac req
- Air inlet mode door actuator (behind right side of dash)
- Blower motor (behind dash)
- Blower motor relay
- Blower motor resistor (right "a" pillar)
- C270e
- C270g
- C294a
- C294b
- Central junction box (cjb) (near right "a" pillar)
- Defogger system
- Defrost req
- Defrost/panel/floor mode actuator (behind center of dash)
- Door feed a
- Door feed b
- Feed a
- Feed back
- Feedback rear window defrost rly sw pwr
- Fuse 116 30a
- Fuse 13 10a
- Fuse 5 7.5a
- G200 (left "a" pillar)
- Gnd
- High
- Hot at all times
- Hot in start or run
- Hvac module (emtc)
- Illum
- Interior lights system
- Medium high
- Medium low
- Rly ctrl
- S200
- S202
- S204 (heater blower motor wiring harness, in breakout to c299)
- S208
- S210
- S236
- Sig rtn
- Temperature blend door actuator (behind center of dash)
- Thermal limiter
- Vbatt
- Vpwr
Manual A/C Wiring Diagram (2 of 2) for Ford Pickup F150 2008
Get access to all wiring diagrams of the car
List of elements for Manual A/C Wiring Diagram (2 of 2) for Ford Pickup F150 2008:
- (4.6l: engine control sensor & fuel charge harness, near breakout to ho2s 11) (5.4l: engine control sensor & fuel charge harness, near breakout to charge motion control valve (cmcv)) s154
- (except 4.2l) (4.6l: engine control sensor & fuel charge harness, near breakout to c139) (5.4l: engine control sensor & fuel charge harness, near breakout to fuel injector 8)
- (right rear of engine compartment) powertrain control module (pcm)
- (top right front of engine) electronic fan clutch
- A/c clutch cycling pressure switch (right rear of engine compartment)
- A/c clutch relay
- A/c compressor clutch diode
- A/c compressor clutch field coil
- A/c pressure transducer sensor (right front of engine compartment)
- Ac req
- Acpt
- Auxiliary relay box 1 (left side of engine compt)
- Bvref
- C175b
- C175e
- C220a
- C220b
- C270a
- C270b
- Can bus +
- Can bus -
- Central junction box (cjb) (near right "a" pillar)
- Cht
- Computer data lines system
- Cylinder head temperature sensor (4.2l: rear of left cylinder head) (4.6l: front of left cylinder head) (5.4l: top right rear of engine)
- Defrost req
- Engine controls system
- Fc-v
- Fss
- Fss-gnd
- Fuse 11 10a
- Fuse 14 10a
- Fuse 32 15a
- G104 (right side of engine compartment)
- G110 (left front of engine compt)
- Hot at all times
- Hot in start or run
- Hot w/ pcm relay energized
- Instrument cluster
- Microprocessor
- Rly ctrl
- S101 (engine control sensor harness, near breakout to auxiliary box 1)
- S104 (engine control sensor harness, near breakout to c139)
- S105
- S112
- S116
- S122
- S135 s173 (4.2l (engine control sensor & fuel charge harness, near breakout to powertrain control module (pcm)
- Sig
- Sig_rtn
- Vbpwr
- Vpwr
AIR CONDITIONINGANTI-THEFTCRUISE CONTROLDEFOGGERSCOMPUTER DATA LINESCOOLING FANGROUND DISTRIBUTIONENGINE PERFORMANCEEXTERIOR LIGHTSINTERIOR LIGHTSHORNHEADLIGHTSANTI-LOCK BRAKESNAVIGATIONINSTRUMENT CLUSTERMEMORY SYSTEMSPOWER DISTRIBUTIONPOWER WINDOWSPOWER SEATSSHIFT INTERLOCKPOWER DOOR LOCKSPOWER TOP/SUNROOFRADIOSTARTING/CHARGINGTRANSMISSIONPOWER MIRRORSSUPPLEMENTAL RESTRAINTSWARNING SYSTEMSWIPER/WASHER
FAQs
Common problems with the 5.4 are the cam phasers and the timing chain tensioners. The tensioners are hydraulic and can leak, causing low oil pressure that takes out the phasers and the cam shafts. The phasers will also fail if oil change intervals are too long and if the wrong spec oil is used.
Why are wiring diagrams an important tool when troubleshooting air conditioning systems? ›
Wiring diagrams are helpful in troubleshooting because they indicate the component layout in the electrical panel, explain to the technician how to operate the equipment, and break down the control system into circuit-by-circuit configuration.
Which fuse controls the air conditioning? ›
Typically, AC systems use “TR”-type fuses to ensure safe system operation. However, if you're in a pinch and need to replace a fuse quickly, you can use a fuse that is rated for a lower amperage than what the system is rated.
Why is my 2008 F150 AC not blowing cold air? ›
If you notice that your Ford's air conditioning system is not blowing strong, cold air, it could be due to a dirty or clogged air filter. The air filter prevents dust, dirt, and debris from entering the air conditioning system, but it can become clogged over time.
Where is the air conditioner relay located? ›
The A/C compressor relay is located in the engine compartment along with a bunch of other fuses and relays. The cover of the engine compartment usually has a guide to tell you which fuse or relay does what. The A/C compressor relay can be found by searching for the anagram MGCLT, which stands for Magnetic Clutch Relay.
What are the symptoms of a bad AC relay? ›
AC System Not Turning On or Off
One of the most apparent signs of a faulty relay is when your AC system does not respond to the thermostat's commands. If the relay that controls the compressor or fan motor fails, your AC system may not turn on when your thermostat calls for cooling.
Why is my AC not working in my Ford f150? ›
The most common reasons a Ford F-150 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
How many miles will a 2008 Ford f150 last? ›
A Ford F-150 is expected to last around 200,000 miles when properly cared for. Since the average driver clocks in about 12,000 miles per year, this comes out to roughly 17 years. Okay, so how long does a Ford F-150 transmission last? Learn more about Ford F-150 longevity with the team at Porcaro Ford below.
Is the 2008 5.4 Triton a good engine? ›
A Quick Overview of the 5.4 Triton Engine
The engine is known for its strong performance and ability to deliver power and torque, making it ideal for towing and hauling heavy loads.
What is the most common problem with the 5.4 triton? ›
The most popular issue but easiest to fix, is the ignition system. The 3 valve 5.4L Triton contains a coil-on-plug design. Each cylinder has a separate coil that fits onto the spark plug. The design is very efficient but can lead to excessive heat.
A continuous electrical circuit consists of three wires; a hot wire, a neutral wire, and a ground wire. The electricity will flow through the hot wire into the device you wish to power, or to a receptacle in your home. The electricity then flows back through the neutral wire to complete the circuit.
What are wiring and assembly diagrams needed for? ›
Use wiring diagrams to assist in building or manufacturing the circuit or electronic device. They are also useful for making repairs. DIY enthusiasts use wiring diagrams but they are also common in home building and auto repair.
How important are the diagrams for actual wiring installation? ›
Wiring diagrams show actual wiring and connections, using color-coded wires and labels to identify components and terminals. They also indicate physical location, orientation, wire lengths, and routes, making them useful for installing and troubleshooting a circuit.
Which fuse is for the AC blower? ›
Fuse Protection
To protect the blower motor power circuit, a 20-, 25- or 30-amp fuse is usually located in the fuse panel under the dash. The rating of the fuse will depend on the vehicle application and how much power the blower motor requires at full speed.
Why is my AC not working in my Ford F150? ›
The most common reasons a Ford F-150 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
Does truck AC have a fuse? ›
That being said, there are several fuses in your car's A/C, including ones to power fans and the ventilation system. In many modern cars, electricity even powers the A/C's compressor. So, if one of those fuses blows, you may experience other issues, like weak airflow, warm air, and poor ventilation.
