LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2005 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views - Electrical Center Identification, Engine Controls, Engine Electrical >> Electrical Center Identification Views >> Relay Block Connector End View - I/P Body Bottom View
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Relay Block Connector End View - I/P Body Bottom View

Fig 1: Relay Block - I/P Bottom View
GM892417Courtesy of GENERAL MOTORS CORP.
Relay Block - I/P - C1

GM365994Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193905
  • 68-Way F Metri-Pack 280 Series Flexlock (GRY)
Pin Wire Color Circuit No. Function
A1 LT GRN 24 Backup Lamp Supply Voltage - BCM
LT GRN 24 Backup Lamp Supply Voltage - Junction Block - Rear
A2 - - Not Used
A3 BLK/WHT 1704 Low Reference
A4 DK GRN/
WHT		 636 Ambient Air Temperature Sensor Signal
A5 BLK/WHT 1851 Ground
BLK/WHT 1851 Ground
A6 WHT 193 Rear Defog Relay Control
A7 - - Not Used
A8 BRN/WHT 230 Instrument Panel Lamps Dimming Control
BRN/WHT 230 Instrument Panel Lamps Dimming Control (Y91)
A9 YEL 1139 Ignition 1 Voltage
A10 - - Not Used
A11 BRN/WHT 230 Instrument Panel Lamps Dimming Control (NP1/NP8)
BRN/WHT 230 Instrument Panel Lamps Dimming Control (VSES)
A12 GRY/BLK 690 Courtesy Lamp Supply Voltage
B1 PNK 1045 Serial Communications Circuit (w/o Y91)
B2 ORN 3740 Battery Positive Voltage (UQ7 w/o Y91)
B3 BLK/WHT 1851 Ground
BLK/WHT 1851 Ground
B4 - - Not Used
B5 BLK/WHT 1851 Ground
BLK/WHT 1851 Ground
B6 ORN 1840 Battery Positive Voltage
B7 RED 642 Battery Positive Voltage
B8 BRN/WHT 230 Instrument Panel Lamps Dimming Control
BRN/WHT 230 Instrument Panel Lamps Dimming Control (JL4)
BRN/WHT 230 Instrument Panel Lamps Dimming Control (NYS)
B9 DK GRN/WHT 817 Vehicle Speed Signal (UQ7 w/Y91)
DK GRN/WHT 817 Vehicle Speed Signal
B10 - - Not Used
B11 ORN 3240 Battery Positive Voltage (w/o Y91)
B12 - - Not Used
C1 ORN 340 Battery Positive Voltage (YE9)
C2 BRN/WHT 230 Instrument Panel Lamps Dimming Control
BRN/WHT 230 Instrument Panel Lamps Dimming Control (YE9)
C3 BRN/WHT 230 Instrument Panel Lamps Dimming Control (YE9)
BRN/WHT 230 Instrument Panel Lamps Dimming Control (U1S)
C4 ORN 1732 Inadvertent Power Supply Voltage
C5 BLK/WHT 1851 Ground
C6-D7 - - Not Available
C8 BRN/WHT 230 Instrument Panel Lamps Dimming Control
BRN/WHT 230 Instrument Panel Lamps Dimming Control
C9 ORN 1340 Battery Positive Voltage
C10 BRN 2409 Interior Park Lamps Supply Voltage
C11 ORN 1732 Inadvertent Power Supply Voltage (Y91)
ORN 1732 Inadvertent Power Supply Voltage (Avalanche/Escalade EXT)
C12 - - Not Used
D1 WHT/BLK 5515 Inside Air Temperature Sensor Assembly Control (CJ2)
D2 BRN/WHT 230 Instrument Panel Lamps Dimming Control
D3 BRN/WHT 230 Instrument Panel Lamps Dimming Control (T89/ w/o Y91)
BRN/WHT 230 Instrument Panel Lamps Dimming Control (UM8)
D4 ORN 1732 Inadvertent Power Supply Voltage
D5 BLK/WHT 1851 Ground
BLK/WHT 1851 Ground (U42)
D6-D7 - - Not Available
D8 BLK/WHT 1851 Ground
BLK/WHT 1851 Ground (Y91)
D9 BLK 1050 Ground
D10 BRN 2409 Interior Park Lamps Supply Voltage (906 w/NYS)
D11 - - Not Used
D12 ORN 2340 Battery Positive Voltage (VYU)
E1 BRN 718 Low Reference (CJ2)
E2 PNK 1691 Automatic Day/Night Mirror Low Reference (DL3)
E3 - - Not Used
E4 PPL/WHT 1382 LED Dimming Signal
PPL/WHT 1382 LED Dimming Signal (NP1/NP8)
E5 BLK/WHT 1851 Ground (AU3/YE9)
BLK/WHT 1851 Ground (UQ7/Y91)
E6 DK GRN/WHT 817 Vehicle Speed Signal
DK GRN/WHT 817 Vehicle Speed Signal (NYS)
E7 PPL/WHT 1382 LED Dimming Signal
PPL/WHT 1382 LED Dimming Signal
E8 BLK/WHT 1851 Ground
BLK/WHT 1851 Ground
E9 - - Not Used
E10 RED 242 Battery Positive Voltage
E11-E12 - - Not Used
F1 DK GRN 734 Inside Air Temperature Sensor Signal (CJ2)
F2 GRY 1690 Automatic Day/Night Mirror Signal (DL3)
F3 PNK 739 Ignition 1 Voltage
F4 TAN/WHT 1384 Selective Ride Control Switch Signal
F5 BLK/WHT 1851 Ground (NP1/NP8)
BLK/WHT 1851 Ground (U2K/U2L & Y91)
F6 PPL/WHT 1382 LED Dimming Signal (Z75 or T79)
PPL/WHT 1382 LED Dimming Signal (NYS)
F7 ORN 4540 Battery Positive Voltage
ORN 4540 Battery Positive Voltage (T79)
F8 BLK/WHT 1851 Ground ( Y91)
BLK/WHT 1851 Ground (VD1)
F9 LT BLU 1620 Trailer CHMSL Supply Voltage
F10 DK BLU 47 Trailer Auxiliary Supply Voltage (w/o LU3)
F11 YEL 243 Accessory Voltage
F12 - - Not Used
Relay Block - I/P - C3

GM655838Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15328768
  • 12-Way F Metri-Pack 280 Series Flexlock (BRN)
Pin Wire Color Circuit No. Function
A LT GRN 24 Backup Lamp Supply Voltage
B ORN 4540 Battery Positive Voltage
C BLK 1050 Ground
D - - Not Used
E YEL 1139 Ignition 1 Voltage
F DK GRN 2308 Passenger Air Bag OFF Indicator Control (ALO)
G BLK/WHT 1704 Low Reference (YE9)
H DK BLU 2307 Passenger Air Bag ON Indicator Control (ALO)
J - - Not Used
K DK GRN/WHT 636 Ambient Air Temperature Sensor Signal (YE9)
L GRY/BLK 690 Courtesy Lamp Supply Voltage
GRY/BLK 690 Courtesy Lamp Supply Voltage (Avalanche/Escalade EXT)
M ORN 1732 Inadvertent Power Supply Voltage
Relay Block - I/P - C4

GM886342Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193922
  • 6-Way F Metri-Pack 280 Series Flexlock (CRM)
Pin Wire Color Circuit No. Function
A BRN/WHT 230 Instrument Panel Lamps Dimming Control (YE9)
BRN/WHT 230 Instrument Panel Lamps Dimming Control (C36 or C69)
B PNK 1691 Automatic Day/Night Mirror Low Reference (DL3)
C GRY 1690 Automatic Day/Night Mirror Signal (DL3)
D DK GRN 734 Inside Air Temperature Sensor Signal (CJ2)
E BRN 718 Low Reference (CJ2)
F WHT/BLK 5515 Inside Air Temperature Sensor Assembly Control (CJ2)
Relay Block - I/P - C7 (Z82 w/Electric Trailer Brake Jumper Installed)

GM886343Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193924
  • 6-Way F Metri-Pack 280 Series Flexlock (BRN)
Pin Wire Color Circuit No. Function
A BRN 2409 Interior Park Lamps Supply Voltage
B RED 242 Battery Positive Voltage
C DK BLU 47 Trailer Auxiliary Supply Voltage
D LT BLU 1620 Trailer CHMSL Supply Voltage
E - - Not Used
F BLK 1050 Ground
Relay Block - I/P - C8 (VYU)

GM886362Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193930
  • 6-Way F Metri-Pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
A ORN 2340 Battery Positive Voltage
B-D - - Not Used
E ORN 4540 Battery Positive Voltage
F BLK 1050 Ground
Relay Block - I/P - C9 (Except Y91)

GM524807Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12194035
  • 12-Way F Metri-Pack 280 Series (BLK)
Pin Wire Color Circuit No. Function
A - - Not Used
B PNK 1045 Serial Communications Circuit
C - - Not Used
D ORN 3740 Battery Positive Voltage (UQ7)
E ORN 340 Battery Positive Voltage (UK6)
ORN 340 Battery Positive Voltage (U2K/U2L)
F-G - - Not Used
H ORN 3240 Battery Positive Voltage (UE1)
ORN 3240 Battery Positive Voltage (UE1)
J ORN 3240 Battery Positive Voltage (U42)
K BLK/WHT 1851 Ground (UE1)
BLK/WHT 1851 Ground (U42)
L BLK/WHT 1851 Ground (UE1)
M BLK/WHT 1851 Ground (UQ7)
BLK/WHT 1851 Ground (U2K/U2L)
Relay Block - I/P - C10

GM831381Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15357030
  • 12-Way F Metri-Pack 280 Series Flex-Lock (WHT)
Pin Wire Color Circuit No. Function
A ORN 4540 Battery Positive Voltage - LR Heated Seat Module (Y91)
ORN 4540 Battery Positive Voltage - RR Heated Seat Module (Y91)
B GRY/BLK 690 Courtesy Lamp Supply Voltage (Suburban/Escalade ESV)
C GRY/BLK 690 Courtesy Lamp Supply Voltage - LR Door
GRY/BLK 690 Courtesy Lamp Supply Voltage - RR Door
D DK GRN 2308 Passenger Air Bag OFF Indicator Control (ALO)
E ORN 1440 Battery Positive Voltage
F BRN/WHT 230 Instrument Panel Lamps Dimming Control
BRN/WHT 230 Instrument Panel Lamps Dimming Control
G DK BLU 2307 Passenger Air Bag ON Indicator Control (w/ALO)
H ORN 1440 Battery Positive Voltage
J DK GRN/WHT 817 Vehicle Speed Signal (Z75)
K ORN 1340 Battery Positive Voltage
L PPL 293 Rear Defog Element Supply Voltage
M YEL 1139 Ignition 1 Voltage
YEL 1139 Ignition 1 Voltage (ALO)
scientia non olet · About LEMON Manuals