Fuse and relay box diagrams – Cadillac Escalade GMT K2XL
Applies to vehicles manufactured over the years:
2015, 2016, 2017, 2018, 2019, 2020.
For the lighter in Cadillac Escalade corresponds to fuses 4, 6, and 50 in the fuse box on the left side of the instrument panel, fuses 3 and 50 in the fuse box on the right side of the instrument panel, and fuse 14 (rear accessory power socket) in the rear compartment fuse box.
Passenger compartment
On each side of the dashboard, behind the covers, are two fuse boxes.
Diagram of the fuse box (left side)
| Number | Description |
|---|---|
| 1 | Not used |
| 2 | Not used |
| 3 | Not used |
| 4 | Accessory power socket 1 |
| 5 | 2015-2016: Retained power of accessories/accessories 2017-2020: Retained Accessory Power |
| 6 | Battery power supply accessory power socket |
| 7 | Garage Door Universal Rearview Mirror/Interior Rearview Mirror |
| 8 | SEO (special equipment option) Retained accessory power |
| 9 | Not used |
| 10 | Body control module 3 |
| 11 | Body control module 5 |
| 12 | Steering wheel illumination |
| 13 | Not used |
| 14 | Not used |
| 15 | Not used |
| 16 | Ignition sensor discrete logic |
| 17 | 2016-2017: Video Processing Module 2019-2020: Video processing module/virtual key module |
| 18 | Mirror Window Module |
| 19 | Body control module 1 |
| 20 | Front table (if equipped) |
| 21 | Not used |
| 22 | Not used |
| 23 | Not used |
| 24 | 2015-2016: Heater, Ventilation and Air Conditioning Ignition/Water, Auxiliary Ventilation and Air Conditioning
2017-2018: HVAC/ignition 2019-2020: HVAC/AUX Ignition |
| 25 | Ignition detection/diagnostic module for instrument clusters |
| 26 | Tilt Column/SEO 1 (special equipment option), Tilt Column/SEO lock (special equipment option) |
| 27 | Data link connector/driver’s seat module |
| 28 | Passive Inlet/Passive Outlet/Air Conditioning Heater, Ventilation and Accumulator |
| 29 | Discouraging content theft |
| 30 | Not used |
| 31 | Not used |
| 32 | Not used |
| 33 | 2015-2018: SEO (special equipment option)/Auto level control 2019-2020: SEO (special equipment option)/Left heated seat |
| 34 | Electrically adjustable park activation pedal (if equipped) |
| 35 | Not used |
| 36 | Miscellaneous start/load loads |
| 37 | Heated steering wheel |
| 38 | Steering column lock 2 (if equipped) |
| 39 | Instrument Battery |
| 40 | Not used |
| 41 | Not used |
| 42 | Euro Trailer (if equipped) |
| 43 | Door on the left |
| 44 | Driver’s seat |
| 45 | Not used |
| 46 | Heated/cooled seat on the right |
| 47 | Heated/cooled seat left |
| 48 | Not used |
| 49 | Not used |
| 50 | Accessory power socket 2 |
| 51 | Not used |
| 52 | Power supply relay/accessory relay |
| 53 | Run/start relay |
| 54 | Not used |
| 55 | Not used |
| 56 | Not used |
Fuse box diagram (right side)
| Number | Description |
|---|---|
| 1 | Not used |
| 2 | Not used |
| 3 | Not used |
| 4 | Accessory power socket 4 |
| 5 | Not used |
| 6 | Not used |
| 7 | Not used |
| 8 | Glove box |
| 9 | Not used |
| 10 | Not used |
| 11 | Not used |
| 12 | Steering wheel controls |
| 13 | Body control module 8 |
| 14 | Not used |
| 15 | Not used |
| 16 | Not used |
| 17 | Not used |
| 18 | Not used |
| 19 | Body control module 4 |
| 20 | Backseat entertainment |
| 21 | Opening roof |
| 22 | Not used |
| 23 | Not used |
| 24 | Not used |
| 25 | Not used |
| 26 | Infotainment system/airbag |
| 27 | Spare window switch/rain sensor |
| 28 | Obstacle detection/USB |
| 29 | Radio |
| 30 | Not used |
| 31 | Not used |
| 32 | Not used |
| 33 | Not used |
| 34 | Not used |
| 35 | Not used |
| 36 | SEO (special equipment option) B2 |
| 37 | SEO (special equipment option) |
| 38 | Body control module 2 |
| 39 | Air Conditioning Inverter |
| 40 | Not used |
| 41 | Not used |
| 42 | Not used |
| 43 | Not used |
| 44 | Right door window motor |
| 45 | Front Fan |
| 46 | Body control module 6 |
| 47 | Body control module 7 |
| 48 | Amplifier |
| 49 | Front right seat |
| 50 | Accessory power socket 3 |
| 51 | Not used |
| 52 | Power supply relay/accessory relay |
| 53 | Not used |
| 54 | Not used |
| 55 | Not used |
| 56 | Not used |
Engine compartment
| Number | Description |
|---|---|
| 1 | Electric race boards |
| 2 | Pump Anti-lock Braking System |
| 3 | Inside BEC LT1 |
| 4 | Motorized passenger seat belt |
| 5 | Suspension leveling compressor |
| 6 | 4WD electronic transmission control |
| 10 | Electric parking brake |
| 13 | Inside BEC LT2 |
| 14 | Rear BEC 1 |
| 17 | Motorized driver’s seat belt |
| 21 | 2015-2017: ALC exhaust solenoid valve 2019-2020: Automatic headlight leveling / Exhaust solenoid valve |
| 22 | 2019: Fuel pump |
| 23 | Integrated chassis control module |
| 24 | Real-time attenuation |
| 25 | Fuel pump supply module |
| 26 | 2015-2017: Adjustable backup voltage/battery control 2019-2020: Active hydraulic assistant/adjustable battery voltage control |
| 28 | Upfitter 2 |
| 29 | Upfitter 2 Relay |
| 30 | Windshield Wiper |
| 31 | Trailer Interface Module |
| 34 | Replacement Bulbs |
| 35 | Anti-Lock Braking System Valve |
| 36 | Trailer Brakes |
| 37 | Upfitter 3 Relay |
| 39 | Trailer stop/right turn |
| 40 | Trailer stop/left turn |
| 41 | Trailer parking lamps |
| 42 | Right parking light |
| 43 | Parking light left |
| 44 | Upfitter 3 |
| 45 | Automatic level control Run/Wheel |
| 47 | Upfitter 4 |
| 48 | Upfitter 4 Relay |
| 49 | Reversing lights |
| 51 | Parking Light Relay |
| 60 | Air Conditioning Control |
| 63 | Upfitter 1 |
| 67 | Trailer Battery |
| 68 | 2019-2020: Secondary fuel pump |
| 69 | RC Upfitter 3 and 4 |
| 70 | VBAT Upfitter 3 and 4 |
| 72 | Upfitter 1 relay |
| 74 | Engine control module ignition |
| 75 | Miscellaneous spare parts for the ignition |
| 76 | Gearbox Ignition |
| 77 | RC Upfitter 1 and 2 |
| 78 | VBAT Upfitter 1 and 2 |
| 83 | Reserve/Reserve |
| 84 | Run/start relay |
| 87 | 2015-2017: Engine 2019-2020: MAF/IAT/humidity/TIAP sensor |
| 88 | Injector A – odd |
| 89 | Injector B – same |
| 90 | Oxygen sensor B |
| 91 | Throttle control |
| 92 | Relay motor control module |
| 93 | Horn |
| 94 | Fog lamps |
| 95 | High Beam Headlights |
| 100 | Oxygen sensor A |
| 101 | Motor control module |
| 102 | Engine control module/ Transmission control module |
| 103 | Auxiliary Indoor Heater |
| 104 | Starter |
| 107 | Aero Shutter |
| 109 | Police Upfitter |
| 112 | Startup Relay |
| 114 | Windshield washer |
| 115 | Rear window washer |
| 116 | Cooling fan on the left |
| 117 | 2015-2016: Unused 2017-2020: Fuel pump primer |
| 120 | 2015-2016: Unused 2017-2020: Fuel pump primer |
| 121 | Headlight right HID |
| 122 | HID Left Headlight |
| 123 | Right cooling fan |
Fuse box in the trunk
It is located on the left side of the boot, behind the lid.
| Number | Description |
|---|---|
| ISO mini relays | |
| 1 | Rear fog |
| Microsecurity | |
| 2 | Heated seat in the second row on the left side |
| 3 | Heated right-hand seat in the second row |
| 4 | Heated mirrors |
| 5 | Luggage compartment flap |
| 6 | Cracked glass |
| 7 | Glass lift door |
| 8 | Tailgate module logic |
| 9 | Rear Windshield Wiper |
| 10 | Rear air conditioning heater, ventilation and fan |
| 11 | Second row seat |
| 19 | Rear fog light (if equipped) |
| M-type fuses | |
| 12 | Rear door module |
| 13 | Third row seat |
| 14 | Rear accessory power socket |
| 15 | Rear fog |
| Ultra Micro Relays | |
| 16 | Trunk |
| Microtransmitters | |
| 17 | Glass lift door |
| 18 | Rear fog light (if equipped) |
| 19 | Heated mirrors |