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X52A Fuse Block - Passenger Compartment Top View

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM3988743Courtesy of GENERAL MOTORS COMPANY
Usage Table

No. Device Label Name Device Assigned Name Rating Description
Mini Fuses 
F1 EMPTY F1PA 15A
  • Not Used
F2 STR/WHL/SNSR F2PA 2A
  • X85 Steering Wheel Air Bag Coil (K34 or W1Y)
F3 AUX PRK LAMP(S) (CUTAWAY) F3PA 15A
  • X405 (Cutaway)
F4 FRT PRK LAMP(S) F4PA 10A
  • E2LF Side Marker Lamp - Left Front
  • E2RF Side Marker Lamp - Right Front
  • E4N Park/Turn Signal Lamp - Left
  • E4P Park/Turn Signal Lamp - Right
F5 TRLR PRK LAMP(S) F5PA 15A
  • X88 Trailer Connector (UY7)
F6 UPFTR PRK LAMP(S) F6PA 10A
  • X320 (5BV)
F7 RT REAR PRK LAMP F7PA 10A
  • E5T Tail/Stop and Turn Signal Lamp - Right (Cargo or Passenger)
F8 LT REAR PARK LAMP F8PA 10A
  • E5S Tail/Stop and Turn Signal Lamp - Left (Cargo or Passenger)
  • E7 License Plate Lamp (Cargo or Passenger)
F9 OSRVM SW F9PA 5A
  • KR90 Door Unlock Relay (AU3+WRF)
  • KR97 Door Lock Relay (AU3+WRF)
  • S52 Outside Rearview Mirror Switch (DEB or DE5)
F10 AIRBAG/AOS F10PA 10A
  • K36 Inflatable Restraint Sensing and Diagnostic Module
F11 ONSTAR F11PA 10A
  • K73 Telematics Communication Interface Control Module (UE1)
F12 FRONT CAM MODULE F12PA 15A
  • B174 Frontview Camera (UFL/UEU)
F13 HVAC2 F13PA 10A
  • K33A HVAC Control Module - Auxiliary
  • KR32B Blower Motor High Speed Relay - Auxiliary (C69/C36/ENC)
  • KR32C Blower Motor Low Speed Relay - Auxiliary (C69/C36/ENC)
  • KR32D Blower Motor Medium Speed Relay - Auxiliary (C69/C36/ENC)
  • KR81 Auxiliary Battery Relay 1
  • M6 Air Temperature Door Actuator
  • M6B Air Temperature Door Actuator - Auxiliary (C69/C36/ENC)
  • M37B Mode Door Actuator - Auxiliary (C69/C36/ENC)
  • S34 HVAC Controls Switch Assembly (C49/DE5/C60)
  • S34F HVAC Controls Switch Assembly - Auxiliary Front
  • S34R HVAC Controls Switch Assembly - Auxiliary Rear (Rear HVAC Controls)
F14 HVAC1 F14PA 20A
  • S34 HVAC Controls Switch Assembly
  • X81 Accessory Power Receptacle - 110V AC (KI4)
F15 REF LED DISPLAY F15PA 10A
  • P43 Collision Alert Indicators
F17 OSRVM HTR F17PA 20A
  • A9A Outside Rearview Mirror - Driver (DEB or DE5)
  • A9B Outside Rearview Mirror - Passenger (DEB or DE5)
F18 REAR DEFOG F18PA 30A
  • E18L Rear Defogger Grid - Left (C49)
  • E18R Rear Defogger Grid - Right (C49)
F19 CMPS F19PA 10A
  • B176 Multi-axis Acceleration Sensor Module
  • K18 Compass Module (U80)
F20 RDO/CHIME F20PA 15A
  • A11 Radio (Without UL5)
  • A12 Digital Radio Receiver Control Module (U2K or UBS)
F21 RFA/TPM F21PA 10A
  • K77 Remote Control Door Lock Receiver (ATG or UJM)
F22 IGN SW (DLIS)/PK3 F22PA 2A
  • K64 Content Theft Deterrent Control Module
  • S39 Ignition Switch
F23 I/P CLUSTER F23PA 10A
  • P16 Instrument Cluster (Without 8S8)
F25 HVAC CNTRL F25PA 10A
  • S34 HVAC Controls Switch Assembly (C49 or DE5)
F26 AUX/TRLR BCK/UP F26PA 10A
  • P3 Backup Alarm (8S3)
  • X88 Trailer Connector
  • X405 (Cutaway)
F27 TAIL LAMP(S) BCK/UP F27PA 10A
  • E5A Backup Lamp - Left (Cargo or Passenger)
  • E5B Backup Lamp - Right (Cargo or Passenger)
F30 UPFTR CTSY LAMP(S) F30PA 15A
  • E36AC Dome Lamp - Left Roof Rail (Cargo Without 5BV)
  • E36AD Dome Lamp - Right Roof Rail (Cargo Without 5BV)
  • E36AH Dome Lamp (Cargo without 5BV)
  • E37F Dome/Reading Lamps - Front
  • E37M Dome/Reading Lamps - Middle (Passenger)
  • E37R Dome/Reading Lamps - Rear (Passenger without 5BV)
  • K9 Body Control Module
  • X320 (5BV)
  • X405
F31 FRT DR LCK F31PA 15A
  • A23D Door Latch Assembly - Driver (AU3)
  • A23P Door Latch Assembly - Passenger (AU3)
F32 REAR DR LCK F32PA 15A
  • M13 Door Latch Assembly - Rear Cargo (Passenger or Cargo with AU3)
  • M14RR Door Lock Actuator - Right Rear (E24 or YA2)
  • X87RB Sliding Door Jamb Contact Plate - Right Body (E24 or YA2)
F33 CARGO DR UNLCK F33PA 15A
  • M13 Door Latch Assembly - Rear Cargo (Cargo or Passenger with AU3)
F34 FRT PASS DR UNLCK F34PA 15A
  • A23P Door Latch Assembly - Passenger (AU3)
F35 REAR PASS DR UNLCK F35PA 15A
  • KR90A Cargo Door Unlock Relay (AU3)
  • M14RR Door Lock Actuator - Right Rear (AU3)
  • X87RB Sliding Door Jamb Contact Plate - Right Body (AU3)
F36 DVR DR UNLCK F36PA 15A
  • A23D Door Latch Assembly - Driver (AU3)
F37 EMPTY F37PA 15A
  • Not Used
F38 EMPTY F38PA 15A
  • Not Used
J-Case Fuses 
F16 UPFITTER AUX1 F16PA 50A
  • W12 Blunt Cut - Emergency Vehicle Provision (YF1)
  • X222 (5BV)
  • X289 (PRP)
  • X321 (5BV)
F24 EMPTY F24PA 30A
  • Not Used
F28 UPFITTER AUX2 F28PA 50A
  • W12 Blunt Cut - Emergency Vehicle Provision (YF1)
  • X222 (5BV)
  • X321 (5BV)
F29 REAR BLOWER F29PA 30A
  • KR32B Blower Motor High Speed Relay - Auxiliary (C36/C69/ENC)
  • KR32C Blower Motor Low Speed Relay - Auxiliary (C36/C69/ENC)
  • KR32D Blower Motor Medium Speed Relay - Auxiliary (C36/C69/ENC)
Circuit Breakers 
CB1 PWR SEATS CB1PA 25A
  • S64D Seat Adjuster Switch - Driver (AG1)
  • S64P Seat Adjuster Switch - Passenger (AG2)
CB2 PWR WINDOW(S) CB2PA 25A
  • S79D Window Switch - Driver (A31)
  • S79P Window Switch - Passenger (A31)
Relays 
K1 RUN KR74 Ignition Run Relay -
  • F13PA
  • F14PA
  • F15PA
  • F19PA
  • KR77 Ignition Power Provision Relay
K2 EMPTY KR150 Relay - Spare -
  • Not Used
K3 PRK LAMP(S) KR53 Park Lamps Relay -
  • F3PA
  • F4PA
  • F5PA
  • F6PA
  • F7PA
  • F8PA
K4 UPFTR AUX2 KR77 Ignition Power Provision Relay -
  • W12 Blunt Cut - Emergency Vehicle Provision (YF1)
  • X222 (5BV)
  • X321 (5BV)
K5 REAR DEFOG KR5 Rear Defogger Relay -
  • A9A Outside Rearview Mirror - Driver (DEB/DE5)
  • A9B Outside Rearview Mirror - Passenger (DEB/DE5)
  • E18L Rear Defogger Grid - Left (C49)
  • E18R Rear Defogger Grid - Right (C49)
K6 RAP KR76 Retained Accessory Power Relay -
  • S79D Window Switch - Driver (A31)
  • S79P Window Switch - Passenger (A31)
Important: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block. 
K7 BCK/UP KR40 Backup Lamp Relay -
  • E5A Backup Lamp - Left
  • E5B Backup Lamp - Right
  • P3 Backup Alarm (8S3)
  • X88 Trailer Connector
  • X405 (Cutaway)
K8 UPFTR CTSY LAMP(S) KR78 Courtesy Lamps Provision Relay -
  • E36AC Dome Lamp - Left Roof Rail (Cargo Without 5BV)
  • E36AD Dome Lamp - Right Roof Rail (Cargo Without 5BV)
  • E36AH Dome Lamp (Cargo without 5BV)
  • E37F Dome/Reading Lamps - Front
  • E37M Dome/Reading Lamps - Middle (Passenger)
  • E37R Dome/Reading Lamps - Rear (Passenger without 5BV)
  • K9 Body Control Module
  • X320 (5BV)
  • X405
K9A FTR REAR PASS DR UNLCK KR90P Passenger/Cargo Door Unlock Relay -
  • A23P Door Latch Assembly - Passenger (AU3)
  • M14RR Door Lock Actuator - Right Rear (AU3)
  • KR90A Cargo Door Unlock Relay (AU3)
  • X87RB Sliding Door Jamb Contact Plate - Right Body
K9B DRVR DR UNLCK KR92D Driver Door Unlatch Relay -
  • A23D Door Latch Assembly - Driver (AU3)
K10A FTR REAR DR LCK KR97 Door Lock Relay -
  • A23D Door Latch Assembly - Driver (AU3)
  • A23P Door Latch Assembly - Passenger (AU3)
  • M13 Door Latch Assembly - Rear Cargo (Passenger or Cargo)
  • M14RR Door Lock Actuator - Right Rear (E24 or YA2)
  • X87RB Sliding Door Jamb Contact Plate - Right Body (E24 or YA2)
K10B CARGO DR UNLCK KR90A Cargo Door Unlock Relay -
  • M13 Door Latch Assembly - Rear Cargo (AU3)
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