2017 GMC Acadia Fuse Box Diagram & Amperage
An ASE master technician's complete guide to the under-hood and interior fuse box locations, amperage ratings, and protected circuits for the 2017 GMC Acadia.
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As an ASE-certified master technician, I’ve diagnosed my fair share of electrical gremlins on the redesigned second-generation GMC Acadia. Before you start replacing expensive components like the fuel pump or infotainment system, checking the fuses should always be your first step.
Below is a comprehensive guide to the fuse box locations, amperage ratings, and circuit diagrams for the 2017 GMC Acadia. Keep in mind that exact configurations can vary slightly depending on your engine (2.5L 4-cylinder vs. 3.6L V6) and trim level (SLE, SLT, Denali). Always verify with the printed legend on the inside of your fuse box lid.
Quick Answer: Fuse Box Locations
The 2017 GMC Acadia has two primary fuse boxes:
- Engine Compartment Fuse Block: Located under the hood on the driver’s side, near the battery and air intake.
- Instrument Panel Fuse Block: Located inside the cabin. To access it, look under the instrument panel on the driver’s side, behind a trim cover.
Engine Compartment Fuse Block
The under-hood fuse box protects major high-current systems like the engine control module (ECM), ABS, cooling fans, and exterior lighting.
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| 1 | 20A | Yellow | Engine Control Module (ECM) / PCM |
| 2 | 20A | Yellow | Fuel Pump System |
| 5 | 10A | Red | A/C Clutch / Air Conditioning |
| 8 | 15A | Blue | Headlights - High Beam |
| 9 | 15A | Blue | Headlights - Low Beam Right |
| 10 | 15A | Blue | Headlights - Low Beam Left |
| 15 | 40A | Green (J-Case) | Antilock Brake System (ABS) Pump |
| 17 | 15A | Blue | Ignition System / Coils |
| 19 | 10A | Red | Engine Transmission Control Module |
| 21 | 30A | Pink (J-Case) | Starter Motor |
| 25 | 40A | Green (J-Case) | Blower Motor |
| 28 | 30A | Pink (J-Case) | Trailer Brake Controller (HD Towing) |
| 31 | 10A | Red | Horn |
| 33 | 15A | Blue | Front Fog Lamps |
Under-Hood Relays
The engine compartment fuse block also houses several micro and mini relays. Key relays include:
- Relay 51: Starter Motor Relay
- Relay 53: A/C Compressor Clutch Relay
- Relay 55: Fuel Pump Relay
- Relay 58: Powertrain/Ignition Main Relay
Instrument Panel Fuse Block
The interior fuse box protects cabin features, including the infotainment system, power windows, interior lighting, and 12V power outlets (cigar lighters).
| Fuse # | Amp | Color | Circuit / Component Protected |
|---|---|---|---|
| F1 | 10A | Red | Airbag System (Sensing and Diagnostic Module) |
| F3 | 15A | Blue | Radio / Infotainment System / Displays |
| F5 | 20A | Yellow | Front 12V Power Outlet (Cigar Lighter) |
| F6 | 20A | Yellow | Rear 12V Power Outlet |
| F10 | 15A | Blue | Body Control Module (BCM) 1 |
| F14 | 10A | Red | Instrument Cluster / Dashboard |
| F21 | 15A | Blue | Brake Lamps / Tail Lamps |
| F22 | 10A | Red | Interior Cabin Lights / Overhead Console |
| F25 | 20A | Yellow | Power Locks |
| F28 | 25A | Clear | Power Windows - Front |
| F33 | 15A | Blue | Heated Seats (Front) |
How to Test a Fuse
Before ripping apart your dashboard, here is how you properly test a fuse on your Acadia:
- Visual Inspection: Pull the suspected fuse using a fuse puller (usually located in the engine compartment fuse block). Hold it up to the light. If the metal filament inside the U-shape is broken or scorched, the fuse is blown.
- Use a Multimeter: If the visual check is inconclusive, set your digital multimeter to the continuity setting (the one that beeps). Touch a probe to each exposed metal tab on the top of the fuse while it is still plugged in. If you hear a beep, the fuse is good. No beep means the circuit is open (blown).
- Use a Test Light: Ground the clip of a 12V test light to a solid, bare metal chassis ground. With the key in the "ON" position, probe both little metal dots on top of the fuse. The light should illuminate on both sides. If it only lights up on one side, the fuse has blown.
Never replace a fuse with one of a higher amperage. Doing so bypasses the safety limits of the circuit and can easily lead to melted wires or a vehicle fire.
Common Blown Fuses on this Vehicle
In my time working on the 2017 Acadia, a few specific circuits tend to pop fuses more frequently than others:
- 12V Outlets (Cigar Lighters - F5/F6): By far the most common. Kids plugging in faulty phone chargers or high-draw devices like tire inflators into the center console or cargo area will pop these 20A yellow fuses instantly. Check your accessory's plug before replacing the fuse.
- Radio/Infotainment (F3): The GMC IntelliLink system can occasionally glitch or freeze. Sometimes, a software lock-up will blow the 15A radio fuse, or you may need to pull this fuse intentionally to "hard reset" the screen.
- Trailer Lighting/Brakes (Under-hood F28): If you utilize the Acadia's towing package, poorly wired rental trailers can short out the trailer brake and lighting fuses. Always inspect the trailer's 7-pin or 4-pin connector for corrosion or exposed wires if this fuse blows.
- Blower Motor (Under-hood F25): If your A/C or heater stops blowing air, check this 40A J-Case fuse. However, if this fuse keeps blowing, you likely have a failing blower motor drawing too much current, or a burnt-out blower motor resistor.
Electrical problems can be incredibly frustrating. If you've replaced a blown fuse and it immediately pops again when you turn the key, you have a dead short in the wiring or a failed component. At that point, it’s time to call in the pros.
Find a trusted shop on Repairius.
Before you pull a fuse on the 2017 GMC Acadia
- 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 Acadia
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 Acadia 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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