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Junction Block - Left I/P X1

Fig 1: Junction Block - Left I/P X1 Connector End View
GM1665708Courtesy of GENERAL MOTORS CORP.
Junction Block - Left I/P X1

Pin Wire Circuit Function
A1 0.5 RD/WH 4440 Battery Positive Voltage
A2 - - Not Used
A3 0.35 PK 239 Ignition Voltage
0.35 PK 239 Ignition Voltage (NQH)
A4 0.35 PK 239 Ignition Voltage
0.35 PK 239 Ignition Voltage (HP2 or EXP)
A5 0.5 BK 2550 Ground (Y91 with U42)
0.5 BK 2550 Ground (Y91 with U42 or with UK6)
B1 - - Not Used
B2 0.5 L-BU 1320 CHMSL Supply Voltage
0.5 L-BU 1320 CHMSL Supply Voltage (EXP)
B3 1 BK 2550 Ground
B4 0.5 GY 157 Cargo Lamp Supply Voltage
B5 - - Not Used
C1 0.35 PK 1639 Ignition Voltage
C2 0.5 BN/WH 230 Instrument Panel Lamp Dimming Control
C3 0.5 BK 2550 Ground (Y91 with UE1)
0.5 BK 2550 Ground (Y91 with U2K)
C4 0.5 YE/BK 5813 Park Enable Supply Voltage (JF4)
C5 - - Not Used
D1 2 RD/WH 1340 Battery Positive Voltage
D2 - - Not Used
D3 0.5 BN/WH 230 Instrument Panel Lamp Dimming Control (CF5)
D4-D5 - - Not Used
E1 0.5 BK/WH 1851 Ground (XA7)
E2 - - Not Used
E3 0.5 BK/WH 1851 Ground
0.8 BK/WH 1851 Ground
F1 5 RD/BK 642 Battery Positive Voltage
G1 0.8 BK/WH 1851 Ground
0.8 BK/WH 1851 Ground
H1 0.5 BK/WH 1851 Ground
0.5 BK/WH 1851 Ground
J1 - - Not Used
K1 0.35 BK/WH 1851 Ground
0.35 BK/WH 1851 Ground
K2 2 BK/WH 1851 Ground
K3 0.8 BK/WH 1851 Ground
0.8 BK/WH 1851 Ground (EXP)
L1 0.5 OG 6815 Inadvertent Power Control
L2 0.5 RD/WH 240 Battery Positive Voltage (with TQ5, TRW and/or UG1)
L3 0.35 PU/WH 6816 Indicator Dimming Control
L4 0.35 WH/BK 5515 Inside Air Temperature Sensor Assembly Control (CJ2)
L5 - - Not Used
M1 0.5 BN/WH 230 Instrument Panel Lamps Dimming Control (HP2)
0.5 BN/WH 230 Instrument Panel Lamps Dimming Control (HP2 with 4WD)
M2 0.35 PK 1691 Automatic Day/Night Mirror Low Reference (HP2)
0.35 D-BU 38 Backup Lamp Relay Control (except HP2)
0.35 D-BU 38 Backup Lamp Relay Control (except HP2)
M3 0.35 PU/WH 6816 Indicator Dimming Control
0.5 PU/WH 6816 Indicator Dimming Control (Z75)
M4 0.35 D-GN 734 Inside Air Temperature Sensor Signal (CJ2)
M5 0.5 L-BU 1320 CHMSL Supply Voltage/Stop Lamp Supply Voltage (HP2)
N1 0.35 D-GN/WH 636 Ambient Air Temperature Sensor Signal (DF5)
N2 0.35 YE 61 Low Reference (DF5)
N3-N4 - - Not Used
N5 0.35 PK 1139 Ignition Voltage
P1 0.35 D-BU 38 Backup Lamp Relay Control (HP2)
0.35 D-BU 38 Backup Lamp Relay Control (HP2)
0.35 PK 1691 Low Reference (with DL3 or with DR4, except HP2)
P2 0.35 GY 1690 Automatic Day/Night Mirror Signal (with DL3 or with DR4)
P3 0.35 PU/WH 6816 Indicator Dimming Control
P4 - - Not Used
P5 0.5 D-GN 6101 Low Reference
Connector Part Information 
  • OEM: 15467568
  • Service: 19115661
  • Description: 50-Way F GT 280 Metri-Pack 800 Series (GY)

Terminal Part Information 
  • Pins: F1
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)
  • Pins: D1, K2
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A1-A5, B2-B4, C1-C4, D3, E1, E3, G1, H1, K1, K3, L1-L4, M1-M4, N1-N5, P1-P5
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A1-A5, B2, B4, C1-C4, D3, E1, H1, K1, L1-L4, M2-M4, N1-N5, P1-P5: E/A
  • Core/Insulation Crimp: Pins B3, E3, G1, K3: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
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