2017 GMC Yukon Fuse Box Diagram & Amperage
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Quick Answer
The 2017 GMC Yukon has three main fuse box locations:
- Under-hood Fuse Block: Located in the engine compartment, typically near the battery on the driver's side.
- Instrument Panel Fuse Block: Found inside the cabin, usually on the passenger side footwell, behind a removable panel.
- Rear Cargo Area Fuse Block: Situated in the rear cargo area, often on the driver's side behind a trim panel.
Welcome to Repairius.com, your trusted source for automotive repair information! This page provides a comprehensive guide to the fuse boxes, circuits, and relays in your 2017 GMC Yukon. Understanding your vehicle's fuse layout is crucial for diagnosing electrical issues and performing basic repairs.
Always remember to consult your owner's manual for the most accurate and specific information regarding your vehicle's configuration, as fuse assignments can vary slightly between trim levels and production runs. The fuse box legends printed on the inside of the fuse box covers are your ultimate guide.
Under-hood Fuse Block
The under-hood fuse block is located in the engine compartment, typically on the driver's side, near the battery. It contains high-current fuses for major systems and relays for various engine and transmission functions.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 10A | Red | ECM/PCM (Engine Control Module/Powertrain Control Module) |
| F2 | 15A | Blue | Fuel Pump Relay Control |
| F3 | 10A | Red | Ignition Coils |
| F4 | 20A | Yellow | Starter Relay |
| F5 | 15A | Blue | Headlight (Low Beam - Left) |
| F6 | 15A | Blue | Headlight (Low Beam - Right) |
| F7 | 10A | Red | Headlight (High Beam - Left) |
| F8 | 10A | Red | Headlight (High Beam - Right) |
| F9 | 20A | Yellow | ABS Module/Pump |
| F10 | 25A | Clear | Blower Motor (Front) |
| F11 | 15A | Blue | A/C Compressor Clutch |
| F12 | 30A | Green | Trailer Brake Control |
| F13 | 10A | Red | Tail Lights |
| F14 | 10A | Red | Park Lights |
| F15 | 20A | Yellow | Horn |
| F16 | 10A | Red | Transmission Control Module (TCM) |
| F17 | 15A Blue | O2 Sensors | |
| F18 | 10A | Red | Injectors (Bank 1) |
| F19 | 10A | Red | Injectors (Bank 2) |
| F20 | 30A | Green | Power Steering (Electric) |
Relay Locations (Under-hood):
- RL1: Fuel Pump Relay
- RL2: Starter Relay
- RL3: PCM/ECM Relay
- RL4: Horn Relay
- RL5: A/C Clutch Relay
- RL6: Blower Motor Relay
Instrument Panel Fuse Block
The instrument panel fuse block is located inside the cabin, typically on the passenger side, behind a removable panel in the footwell. This fuse box generally handles accessories, interior lighting, and various control modules.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 20A | Yellow | Radio/Infotainment System |
| F2 | 15A | Blue | Cigar Lighter/12V Power Outlet (Front) |
| F3 | 15A | Blue | Accessory Power Outlet (Console) |
| F4 | 10A | Red | HVAC Control Module (Cabin) |
| F5 | 10A | Red | Airbag (SIR) System |
| F6 | 10A | Red | Brake Pedal Position Sensor |
| F7 | 10A | Red | IPC (Instrument Panel Cluster) |
| F8 | 10A | Red | Power Windows (Driver) |
| F9 | 10A | Red | Power Windows (Passenger) |
| F10 | 10A | Red | Sunroof (if equipped) |
| F11 | 10A | Red | Heated Seats (Driver) |
| F12 | 10A | Red | Heated Seats (Passenger) |
| F13 | 15A | Blue | Door Lock Module |
| F14 | 10A | Red | Wiper Motor Control |
| F15 | 15A | Blue | OnStar/Communication Module |
| F16 | 10A | Red | USB Ports |
| F17 | 5A | Tan | Interior Lights (Dome) |
| F18 | 5A | Tan | Exterior Mirror Control |
| F19 | 10A | Red | Steering Wheel Controls |
| F20 | 5A | Tan | Headlight Switch |
Rear Cargo Area Fuse Block
The rear cargo area fuse block is located in the back of the vehicle, typically on the driver's side behind a removable trim panel. This fuse box usually serves components related to the rear of the vehicle, such as trailer connections, rear power outlets, and liftgate functions.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 15A | Blue | Trailer Park Lamps |
| F2 | 20A | Yellow | Trailer Battery Charge |
| F3 | 15A | Blue | Rear Accessory Power Outlet |
| F4 | 10A | Red | Power Liftgate Module |
| F5 | 10A | Red | Rear HVAC Blower |
| F6 | 10A | Red | Trailer Stop/Turn Lamps |
| F7 | 5A | Tan | Rear Wiper Motor |
| F8 | 10A | Red | Rear Defogger Relay Control |
| F9 | 15A | Blue | Rear Seat Entertainment (if equipped) |
| F10 | 10A | Red | Rear Camera System |
How to Test a Fuse
Testing a fuse is a simple process that can help you quickly identify a blown fuse. Here's how:
- Safety First: Ensure the vehicle's ignition is off and disconnect the battery if you're working on high-amp circuits.
- Locate the Fuse: Refer to the fuse box diagram (either here, in your owner's manual, or on the fuse box cover) to find the fuse for the circuit you're troubleshooting.
- Visual Inspection: Carefully pull the fuse straight out of its slot using a fuse puller (usually found in the fuse box lid). Hold it up to the light. If the metal wire or strip inside is broken or charred, the fuse is blown.
- Multimeter Test (For Non-Visual Fuses): If the fuse element is not visible, or if you want to be certain, use a multimeter set to the continuity setting (often indicated by an audible beep). Touch the probes to the metal terminals on top of the fuse. If the multimeter beeps or shows a reading close to zero ohms, the fuse is good. If there's no beep or an "OL" (open circuit) reading, the fuse is blown.
- Replace with Correct Fuse: If the fuse is blown, replace it with a new fuse of the exact same amperage rating and type. Using a fuse with a higher amperage can lead to serious electrical damage or fire.
Common Blown Fuses on This Vehicle
While any fuse can blow, some are more common than others due to the nature of the components they protect or typical usage patterns. If you're experiencing an issue, check these first:
- Cigar Lighter/12V Outlets (Under-hood F2, Instrument Panel F2 & F3, Rear Cargo F3): These fuses are frequently blown due to overloads from charging multiple devices or using high-power accessories. If your phone charger or air compressor stops working, check these fuses.
- Blower Motor (Under-hood F10 or Rear Cargo F5): If your HVAC fan stops working, especially after prolonged use or if there's a blockage in the system, the blower motor fuse is a common culprit.
- Radio/Infotainment (Instrument Panel F1): Issues with your radio, navigation, or touch screen could be as simple as a blown fuse. Check the infotainment fuse if your system goes dark.
- Trailer Brake/Trailer Battery Charge (Under-hood F12, Rear Cargo F1 & F2): If you experience issues with your trailer
Before you pull a fuse on the 2017 GMC Yukon
- Use the label printed on the panel cover or the owner's manual for your exact build. Layouts change with options, model year and build date, so a chart for another truck can be wrong.
- Replace a blown fuse only with the same amp rating. A larger fuse can let wiring overheat.
- A fuse that blows again right away means a short or failing component downstream. Find the cause before replacing it again.
- A good fuse doesn't prove the circuit works — relays, grounds and connectors fail too.
- Disconnect the battery before working near high-current fuses or cables.
Learn more: How fuses, relays and truck electrical systems work
More specs for the 2017 GMC Yukon
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2017 GMC Yukon Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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