Staff Answer
Sep 26, 2026 - 12:53 PM
Finding and inspecting blown fuses on a 2001–2006 Cadillac Escalade (GMT800 platform) involves checking two primary power distribution locations: the Underhood Engine Compartment Electrical Center and the Instrument Panel (Passenger Compartment) Fuse Block.
Fuse Box Locations
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Underhood Engine Compartment Fuse Box: Located in the engine bay on the driver's side, near the battery and brake master cylinder. Unclip the plastic locking tabs on the cover lid to lift it off and access high-amp powertrain fuses, lighting relays, and cooling systems.
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Instrument Panel (Passenger Compartment) Fuse Box: Located on the driver's side end of the instrument panel. Open the driver's door to access the removable side panel cover (pull outward on the access door tab).
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Center Console / Auxiliary Power Outlets: The auxiliary power outlets (12V cigarette lighter sockets) across the dashboard and rear seating area are fed by the
AUX PWRandCIGARfuses inside the Underhood Fuse Center.
Underhood Engine Compartment Fuse Box Assignment
| Fuse ID | Rating | Circuit Protected |
| CIGAR | 15A | Front Cigarette Lighter / Instrument Panel Power Outlet |
| AUX PWR | 20A | Center Console Auxiliary 12V Power Sockets |
| ECM B | 20A | Engine Control Module (ECM) / Fuel Pump Relay |
| ECM 1 | 10A | Engine Sensors / Throttle Actuator Control (TAC) |
| ETC | 15A | Electronic Throttle Control System |
| INJ A / INJ B | 15A | Fuel Injectors (Odd & Even Banks) |
| IGN A / IGN B | 40A | Ignition Switch & Starter Circuits |
| ABS | 60A | Anti-Lock Brake System (ABS) Pump Motor |
| STUD 1 | 40A | Trailer Towing Electric Brake Controller / Battery Charge |
| RR WPR | 25A | Rear Window Wiper / Washer Pump Motor |
| A/C | 10A | Air Conditioning Compressor Clutch |
| HEADLAMP-L | 10A | Left High-Intensity Discharge (HID) / Low Beam Lamp |
| HEADLAMP-R | 10A | Right High-Intensity Discharge (HID) / Low Beam Lamp |
| FOG LP | 15A | Front Fog Lamps |
| HORN | 15A | Dual Horn Assembly |
Instrument Panel (Passenger Compartment) Fuse Box Diagram
| Fuse ID | Rating | Circuit Protected |
| HVAC 1 | 10A | Automatic Climate Control Head Unit / Blower Module |
| CRUISE | 10A | Cruise Control Module / Switch |
| IGN 3 | 10A | Heated Seats / Instrument Panel Cluster Ignition Feed |
| AIR BAG | 10A | Supplemental Restraint System (SRS Airbags) |
| MIR/LOCK | 15A | Power Heated Mirrors / Door Lock Switches |
| DR LOCK | 20A | Automatic Door Lock Actuators |
| PWR WDO | 25A (CB) | Power Windows Circuit Breaker |
| RDO 1 | 15A | Bose Infotainment Head Unit / Radio Display |
| RAP #1 / RAP #2 | 10A | Retained Accessory Power (RAP) Modules |
| SEO ACCY | 15A | Special Equipment Option / Rear Seat Audio / OnStar |
| INT PRK | 10A | Interior Courtesy Lamps / Park Lamp Relay |
| SEAT | 30A | Power Adjustable Memory Seats / Lumbar Motors |
How to Check & Replace a Blown Fuse
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Turn off the ignition, switch off all exterior lights and electronic accessories, and set the parking brake.
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Access the targeted fuse panel (Underhood Engine Bay or Driver Side Instrument Panel Edge) and remove the plastic panel cover.
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Locate the plastic fuse puller clip inside the underhood fuse box cover lid and pull the suspect fuse straight out.
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Inspect the translucent fuse casing. If the internal metallic bridge wire is melted or broken, replace it with a spare fuse of the exact same amperage rating.
Watch the video below to see a step-by-step visual guide to locating and changing fuses on a Cadillac Escalade:
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