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Relay Block - I/P Bottom View: Notes

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 (GY)
Pin Wire Color Circuit No. Function
A1 L-GN 24 Backup Lamp Supply Voltage
L-GN 24 Backup Lamp Supply Voltage
A2 - - Not Used
A3 BK/WH 1704 Low Reference
A4 D-GN/WH 636 Ambient Air Temperature Sensor Signal
A5 BK/WH 1851 Ground
BK/WH 1851 Ground
A6 WH 193 Rear Defog Relay Control
A7 - - Not Used
A8 BN/WH 230 Instrument Panel Lamps Dimming Control
A9 BN 341 Ignition 3 Voltage
A10 D-GN/WH 817 Vehicle Speed Signal
A11 BN/WH 230 Instrument Panel Lamps Dimming Control
BN/WH 230 Instrument Panel Lamps Dimming Control
A12 GY/BK 690 Courtesy Lamp Supply Voltage
B1-B2 - - Not Used
B3 BK/WH 1851 Ground
BK/WH 1851 Ground (U2K)
B4 - - Not Used
B5 BK/WH 1851 Ground (Except UE4)
B6 OG 1840 Battery Positive Voltage
B7 RD 642 Battery Positive Voltage
B8 BN/WH 230 Instrument Panel Lamps Dimming Control
B9 D-GN/WH 817 Vehicle Speed Signal
B10-B12 - - Not Used
C1 - - Not Used
C2 BN/WH 230 Instrument Panel Lamps Dimming Control
BN/WH 230 Instrument Panel Lamps Dimming Control
C3 BN/WH 230 Instrument Panel Lamps Dimming Control
C4 OG 1732 Inadvertent Power Supply Voltage
OG 1732 Inadvertent Power Supply Voltage
C5 BK/WH 1851 Ground
BK/WH 1851 Ground
C8 BN/WH 230 Instrument Panel Lamps Dimming Control
BN/WH 230 Instrument Panel Lamps Dimming Control
C9 OG 1340 Battery Positive Voltage
C10 BN 2409 Interior Park Lamps Supply Voltage
C11-C12 - - Not Used
D1 WH/BK 5515 Inside Air Temperature Sensor Assembly Control
D2 BN/WH 230 Instrument Panel Lamps Dimming Control
D3 BN/WH 230 Instrument Panel Lamps Dimming Control
D4 OG 1732 Inadvertent Power Supply Voltage
D5 BK/WH 1851 Ground
BK/WH 1851 Ground (Except UE4)
D8 BK/WH 1851 Ground
D9 BK 1050 Ground
D10 BN 2409 Interior Park Lamps Supply Voltage
D11-D12 - - Not Used
E1 BN 718 Low Reference
E2 PK 1691 Automatic Day/Night Mirror Low Reference
E3 - - Not Used
E4 PU/WH 1382 LED Dimming Supply
PU/WH 1382 LED Dimming Supply
E5 BK/WH 1851 Ground
BK/WH 1851 Ground
E6 D-GN/WH 817 Vehicle Speed Signal
E7 PU/WH 1382 LED Dimming Supply
E8 BK/WH 1851 Ground
BK/WH 1851 Ground
E9 - - Not Used
E10 RD 242 Battery Positive Voltage
E11-E12 - - Not Used
F1 D-GN 734 Inside Air Temperature Sensor Signal
F2 GY 1690 Automatic Day/Night Mirror Signal
F3 PK 739 Ignition 1 Voltage
F4 - - Not Used
F5 BK/WH 1851 Ground
F6 PU/WH 1382 LED Dimming Supply
PU/WH 1382 LED Dimming Supply
F7 OG 4540 Battery Positive Voltage
F8 BK/WH 1851 Ground
F9 L-BU 1620 CHMSL Supply Voltage
F10 D-BU 47 Trailer Auxiliary Supply Voltage
F11 YE 243 Accessory Voltage
F12 - - Not Used
Relay Block - I/P C3

GM1415717Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15445949
  • 12-Way F Metri-Pack 280 Series (BN)
Pin Wire Color Circuit No. Function
A L-GN 24 Backup Lamp Supply Voltage
B OG 4540 Battery Positive Voltage
C BK 1050 Ground
D - - Not Used
E BN 341 Ignition 3 Voltage
F - - Not Used
G BK/WH 1704 Low Reference
H-J - - Not Used
K D-GN/WH 636 Ambient Air Temperature Sensor Signal
L GY/BK 690 Courtesy Lamp Supply Voltage
M OG 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 BN/WH 230 Instrument Panel Lamps Dimming Control
BN/WH 230 Instrument Panel Lamps Dimming Control (CF5)
B PK 1691 Automatic Day/Night Mirror Low Reference
C GY 1690 Automatic Day/Night Mirror Signal
D D-GN 734 Inside Air Temperature Sensor Signal
E BN 718 Low Reference
F WH/BK 5515 Inside Air Temperature Sensor Assembly Control
Relay Block - I/P C7 (Trailer Wiring)

GM886343Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193924
  • 6-Way F Metri-Pack 280 Series Flexlock (BN)
Pin Wire Color Circuit No. Function
A BN 2409 Interior Park Lamps Supply Voltage
B RD 242 Battery Positive Voltage
C D-BU 47 Trailer Auxiliary Supply Voltage
D L-BU 1620 Trailer CHMSL Supply Voltage
E - - Not Used
F BK 1050 Ground
Relay Block - I/P C7 (USB/USC/UNR)

GM886343Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193924
  • 6-Way F Metri-Pack 280 Series Flexlock (BN)
Pin Wire Color Circuit No. Function
A - - Not Used
B D-BU 242 Battery Positive Voltage
C-E - - Not Used
F BK 1050 Ground
Relay Block - I/P C10

GM831381Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15445948
  • 12-Way F Metri-Pack 280 Series (WH)
Pin Wire Color Circuit No. Function
A OG 4540 Battery Positive Voltage
OG 4540 Battery Positive Voltage
B GY/BK 690 Courtesy Lamp Supply Voltage
GY/BK 690 Courtesy Lamp Supply Voltage
C GY/BK 690 Courtesy Lamp Supply Voltage
GY/BK 690 Courtesy Lamp Supply Voltage
D - - Not Used
E OG 1440 Battery Positive Voltage
F BN/WH 230 Instrument Panel Lamps Dimming Control
BN/WH 230 Instrument Panel Lamps Dimming Control
G - - Not Used
H OG 1440 Battery Positive Voltage
J - - Not Used
K OG 1340 Battery Positive Voltage
L PU 293 Rear Defog Element Supply Voltage
M - - Not Used
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