2022 FORD E-350 Fuses Operation Instructions
In the complex electrical system of the 2022 Ford E-350, there are important safety features called fuses. These parts don’t look like much, but they keep an eye on the flow of power and protect the vehicle’s complex electronics. Fuse boxes are usually found in the engine area or the cabin. Fuses are a key part of keeping damage from happening when there is too much current. If an electrical connection has too much current, the fuse will break as a sacrifice, stopping the flow and protecting important parts from damage. This system makes sure that electricity problems don’t hurt important systems, such as the ignition or the lights. Fuse boxes are a good example of the 2022 Ford E-350’s approach to reliability and the smooth operation of its many electrical systems. They are small, but they are essential.
Fuses
FUSE SPECIFICATION CHART
Engine Compartment Fuse Box
WARNING: Always disconnect the battery before servicing high current fuses.
WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
Note: If your vehicle has dual batteries, disconnecting the primary under hood battery does not remove power from all circuits.
The engine compartment fuse box is in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads.
If you disconnect and reconnect the battery, you need to reset some features. See Changing the 12V Battery.
Replace fuses with the same type and rating. See Changing a Fuse .
| Item | Rating | Protected Component |
| 1 | 20 A | Horn. |
| 2 | 50 A | Blower motor. |
| 3 | — | Not used. |
| 4 | 30 A | Starter relay. |
| 5 | — | Not used. |
| 6 | 20 A | Upfitter relay 4 (cutaway). Not used (spare) (stripped chassis). |
| 8 | — | Not used. |
| 10 | — | Not used. |
| 12 | 20 A | Power point 4. |
| 13 | 10 A | Yaw sensor (stripped chassis). Not used (spare) (cutaway). |
| 14 | 10 A | Forward looking radar (cutaway). Not used (spare) (stripped chassis). |
| 15 | — | Not used. |
| 16 | — | Not used. |
| 17 | 10 A | Powertrain control module run/start feed. |
| 18 | 10 A | Anti-lock brake system run/ start feed. |
| 19 | — | Not used. |
| 20 | 30 A | Wiper power. |
| 21 | — | Not used. |
| 22 | 10 A | Wiper module (stripped chassis). Not used (spare) (cutaway). |
| 23 | — | Not used. |
| 24 | 40 A | Body control module – run power in feed 2. |
| 25 | 50 A | Body control module – run power in feed 1. |
| 26 | — | Not used. |
| 27 | 20 A | Body builder frame connector. |
| 28 | — | Not used. |
| 29 | 10 A | B+ power 12 V(special order vehicle). |
| 30 | 30 A | Power driver seat (cutaway). Not used (spare) (stripped chassis). |
| 31 | — | Not used. |
| 32 | 20 A | Vehicle power 1. |
| 33 | 20 A | Vehicle power 2. |
| 34 | 10 A | Vehicle power 3. |
| 35 | 20 A | Vehicle power 4. |
| 36 | — | Not used. |
| 37 | — | Not used. |
| 38 | 10 A | Washer relay (stripped chassis). Not used (spare) (cutaway). |
| 39 | — | Not used. |
| 41 | 30 A | Trailer brake control connector. |
| 43 | 30 A | Instrument panel connector (stripped chassis). Not used (spare) (cutaway). |
| 45 | — | Not used. |
| 46 | 10 A | A/C clutch. |
| 47 | 40 A | Upfitter relay 1 (cutaway). Not used (spare) (stripped chassis). |
| 48 | — | Not used. |
| 49 | 30 A | Pump electronics module. |
| 50 | 15 A | Injectors. |
| 51 | 20 A | Power point 1. |
| 52 | 50 A | Power at all times (PAAT) Aux AC Prep on B-pillar vehicle connector (cutaway). Not used (spare) (stripped chassis). |
| 53 | 30 A | Trailer tow park lamps. |
| 54 | 40 A | R/S feed on instrument panel connector. |
| 55 | 20 A | Upfitter 3 relay (cutaway). Not used (spare) (stripped chassis). |
| 56 | 20 A | Power point 2 prep B-pillar connector. |
| 58 | 5 A | USB smart charger. |
| 59 | 10 A | Park lamps 1 (special order vehicle). |
| 60 | — | Not used. |
| 61 | — | Not used. |
| 62 | — | Not used. |
| 63 | — | Not used. |
| 64 | — | Not used. |
| 65 | — | Not used. |
| 66 | — | Not used. |
| 67 | — | Not used. |
| 69 | — | Not used. |
| 70 | 40 A | Inverter. |
| 71 | 30 A | Anti-lock brake system valves. |
| 72 | 10 A | Brake on and off switch. |
| 73 | — | Not used. |
| 74 | — | Not used. |
| 75 | — | Not used. |
| 76 | 60 A | Anti-lock brake system pump. |
| 77 | 30 A | Voltage quality module power – body control module. |
| 78 | 10 A | Trailer tow stoplamps. |
| 79 | — | Not used. |
| 80 | 10 A | Trailer tow backup lamps. |
| 81 | — | Not used. |
| 82 | 5 A | Upfitter switch (factory location for ignition power). |
| 83 | 5 A | Upfitter switch (optional location for power at all times). |
| 84 | — | Not used. |
| 85 | — | Not used. |
| 86 | — | Not used. |
| 87 | — | Not used. |
| 88 | — | Not used. |
| 89 | — | Not used. |
| 91 | 40 A | Hot at all times (HAAT) / B+PWR on B-Pillar connector (cutaway). |
| Battery Power on instru- ment panel connector(stripped chassis). | ||
| 93 | 10 A | Park lamps 3 (special order vehicle). |
| 94 | 10 A | Park lamps 2 (special order vehicle). |
| 95 | 20 A | Stoplamp relay. |
| 96 | — | Not used. |
| 97 | 50 A | Battery Power on Engine. B-pillar vehicle connector. Instrument panel. |
| 98 | 30 A | Trailer tow battery charge. |
| 99 | 40 A | Upfitter 2 relay (cutaway). Not used (spare) (stripped chassis). |
| 100 | — | Not used. |
| 101 | — | Not used. |
| 102 | — | Not used. |
| 103 | — | Not used. |
| 104 | — | Not used. |
| 105 | 15 A | Trailer tow right-hand and left-hand stoplamp and direction indicator relay power. |
Note: Spare fuse amperage may vary.
Passenger Compartment Fuse Box
WARNING: Always disconnect the battery before servicing high current fuses.
Note: If your vehicle has dual batteries, disconnecting the primary under hood battery does not remove power from all circuits.
The fuse panel is to the left-hand side of the brake pedal and mounted onto the lower left-hand cowl panel. Remove the fuse panel cover to access the fuses.
To remove a fuse, use the fuse puller tool provided on the inside of the fuse panel cover.
Replace fuses with the same type and rating. See Changing a Fuse .
| Item | Rating | Protected Component |
| 1 | — | Not used. |
| 2 | 10 A | Left-hand front and right- hand front door lock switch (cutaway). Inverter (cutaway). Connector (stripped chassis). |
| 3 | 7.5 A | Power mirror switch (cutaway). |
| — | Not used (stripped chassis). | |
| 4 | 20 A | Not used (spare). |
| 5 | 20 A | Not used (spare). |
| 6 | 10 A | Not used (spare). |
| 7 | 10 A | Not used (spare). |
| 8 | 5 A | Not used (spare). |
| 9 | 5 A | Not used (spare). |
| 10 | — | Not used. |
| 11 | — | Not used. |
| 12 | 7.5 A | Smart datalink connector. |
| 13 | 7.5 A | Cluster. Steering column control module. |
| 14 | 15 A | Not used (spare). |
| 15 | 15 A | Not used (spare). |
| 16 | — | Not used. |
| 17 | 7.5 A | Not used. |
| 18 | 7.5 A | R/S feed for Front blend actuator/climate mode switch (cutaway). R/S feed to strip chassis connector (stripped chassis). |
| 19 | 5 A | Radio transceiver module and telematics control unit. Telematics control unit. |
| 20 | 5 A | Ignition switch. |
| 21 | 5 A | Not used. |
| 22 | 5 A | Body builder B-pillar connector (cutaway). |
| 5 A | Not used (stripped chassis). | |
| 23 | 30 A | Not used (spare). |
| 24 | 30 A | Not used (spare). |
| 25 | 20 A | Not used (spare). |
| 26 | 30 A | Not used (spare). |
| 27 | 30 A | Not used (spare). |
| 28 | 30 A | Not used (spare). |
| 29 | 15 A | Upfitter interface module (cutaway). |
| — | Not used (stripped chassis). | |
| 30 | 5 A | Not used (spare). |
| 31 | 10 A | Smart datalink connector. |
| 32 | 20 A | Radio (cutaway). |
| 33 | — | Not used. |
| 34 | 30 A | Not used (spare). |
| 35 | 5 A | Tow haul switch. |
| 36 | 15 A | Rear view mirror (cutaway). Camera lane departure (cutaway). |
| — | Not used (stripped chassis). | |
| 37 | 20 A | Not used (spare). |
| 38 | 30 A | Power window switches and motors (cutaway). |
| — | Not used (stripped chassis). |
Note: Spare fuse amperage may vary.
CHANGING A FUSE
Fuses
WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical components.
Fuse Types
- A. Micro 2.
- B. Micro 3.
- C. Maxi.
- D. Mini.
- E. M Case.
- F. J Case.
- G. J Case Low Profile.
- H. Slotted M Case.
FAQs
A: Fuses are safety devices that protect electrical circuits by breaking the circuit if too much current flows through it, preventing damage to the vehicle’s electrical components.
A: The fuses in the 2022 Ford E-350 are usually located in the fuse box, which is often found in the engine compartment or in the interior cabin area.
A: The fuses are usually organized in the fuse box by circuits and components, with each fuse being labeled for a specific electrical function.
A: If a fuse blows, it breaks the circuit and cuts off power to the corresponding electrical component, preventing potential damage from excessive current.
A: Yes, blown fuses can be replaced by using a fuse of the same amperage rating as the original.
A: Blown fuses often have a visible break in the metal strip inside the fuse. Additionally, the fuse’s transparent plastic housing might show signs of discoloration or melting.
A: While not always necessary, a pair of needle-nose pliers or a fuse puller tool can help safely remove and replace fuses.
A: Yes, many vehicles, including the 2022 Ford E-350, often come with spare fuses stored in the fuse box or in the vehicle’s tool kit.
A: Yes, if an electrical component or system is not working due to a blown fuse, replacing the fuse with a new one of the correct amperage can often resolve the issue.
A: Different electrical components require different levels of current to function properly. The varying amperage ratings of fuses protect these components by breaking the circuit if the current exceeds a safe level.
A: Yes, critical systems like the ignition, lights, and safety-related components might have dedicated fuses to ensure their reliable operation.
A: While fuse box locations can be somewhat standardized, they might vary depending on the vehicle’s configuration and trim level.
A: It’s not recommended to modify or bypass fuses, as they play a crucial role in protecting the vehicle’s electrical systems from damage.
A: Yes, if an electrical component has a short circuit or is malfunctioning, it can cause excessive current flow, leading to a blown fuse.
A: Yes, consulting the owner’s manual can provide valuable information about the location, amperage ratings, and functions of the fuses in your specific vehicle model.
Useful Links
View Full PDF: 2022 FORD E-350 Owner’s Manual| Auto User Guide
2022 FORD E-350 Transmission Guidelines