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Junction Block - Left I/P X1

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

Pin Wire Color Circuit No. Function
A1 0.5 RD/WH 4440 Battery Positive Voltage
A2 - - Not Used
A3 0.35 PK 239 Ignition 1 Voltage
0.35 PK 239 Ignition 1 Voltage (NQF/NQH)
A4 0.35 PK 239 Ignition 1 Voltage
0.8 PK 239 Ignition 1 Voltage (PTO/EXPORT)
A5 0.5 BK 2550 Ground (U42/UK6)
B1-B2 - - Not Used
B3 1 BK 2550 Ground
B4 0.5 GY 157 Courtesy Lamp Control
B5 - - Not Used
C1 0.35 PK 1639 Ignition 1 Voltage (DF5)
C2 0.5 BN/WH 230 Instrument Panel Lamps Dimming Control
0.35 BN/WH 230 Instrument Panel Lamps Dimming Control (AU3 -AN3)
C3 0.5 BK 2250 Groud (U2K +Y91)
0.5 BK 2250 Groud (UE1 +Y91)
C4 - - Not Used
C5 0.5 YE/BK 5813 Park Enable Supply Voltage (JF4 -AN3)
D1 2 RD/WH 1340 Battery Positive Voltage (A31)
D2 - - Not Used
D3 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control
0.5 BN/WH 230 Instrument Panel Lamps Dimming Control (AU3 -AN3)
D4-D5 - - Not Used
E1 0.5 BK/WH 1851 Ground (XA7)
E2 - - Not Used
E3 0.8 BK/WH 1851 Ground
0.5 BK/WH 1851 Ground
F1 5 RD/BK 642 Battery Positive Voltage (YE9)
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 0.5 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
L1 0.5 OG 6815 Inadvertent Power Control
L2 0.5 RD/WH 240 Battery Positive Voltage
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
0.35 BN/WH 230 Instrument Panel Lamps Dimming Control (NQF/NQH)
M2 0.35 PK 1691 Low Reference (DF5 +DL3/DR4)
M3 0.35 PU/WH 6816 Indicator Dimming Control
M4 0.35 D-GN 734 Inside Air Temperature Sensor Signal (CJ2)
M5 0.5 OG 1054 Stop Lamp Supply Voltage (Domestic)
0.5 OG 1054 Stop Lamp Supply Voltage (Domestic)
0.5 L-BN 1320 Stop Lamp Supply Voltage (Export)
N1 0.35 D-GN/WH 636 Ambient Air Temperature Sensor Signal (DF5)
N2 0.35 YE 61 Low Reference (DF5)
N3 0.35 PU/WH 6816 Indicator Dimming Control (PTO)
N4 - - Not Used
N5 0.35 PK 1139 Ignition 1 Voltage
0.35 PK 1139 Ignition 1 Voltage (C99)
P1 0.35 D-BU 38 Backup Lamp Relay Control
0.35 D-BU 38 Backup Lamp Relay Control
P2 0.35 GY 1690 Automatic Day/Night Mirror Signal (DF5 +DL3/DR4)
P3 0.35 PU/WH 6816 Indicator Dimming Control (NQF/NQH)
P4 - - Not Used
P5 0.35 D-GN 6101 Low Reference (CJ2)
Connector Part Information 
  • OEM: 15467568
  • Service: 19115661
  • Description: 50-Way F GT 280 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, A3, A4, B3, B4, C1, C2, D3, E1, E3, G1, H1, K1, K3, L1, L2, L3, L4, M1, M2, M3, M4, M5, N1, N2, N3, N5, P1, P2, P3, P5
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A1, A3, A4, B4, C1, C2, D3, E1, E3, H1, K1, L1, L2, L3, L4, M1, M2, M3, M4, M5, N1, N2, N3, N5, P1, P2, P3, P5 - E/A
  • Core/Insulation Crimp: Pins B3, E3, E3, G1, G1, K3 - 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
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