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Junction Block - Left I/P X2

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block - Left I/P X2
GM1665711Courtesy of GENERAL MOTORS CORP.
Junction Block - Left I/P X2

Pin Wire Color Circuit No. Function
A1 0.35 PK 739 Ignition 1 Voltage
A2 0.35 YE 43 Accessory Voltage
0.35 YE 43 Accessory Voltage
A3-A4 - - Not Used
A5 0.8 RD/WH 1040 Battery Positive Voltage (-Y91)
B1 2 RD/WH 2340 Battery Positive Voltage
B3-B4 - - Not Used
B5 0.5 RD/WH 3240 Battery Positive Voltage (-Y91 +UE1 +U42)
C1 0.5 YE/BK 5813 Park Enable Supply Voltage (JF4)
C2 3 BK 2550 Ground (Y91)
C3 0.5 RD/BK 340 Battery Positive Voltage
C4-C5 - - Not Used
D1 2 BK 1050 Ground
D2 - - Not Used
D3 0.8 RD/WH 4540 Battery Positive Voltage
0.8 RD/WH 4540 Battery Positive Voltage (PTO/EXPORT)
D4-D5 - - Not Used
E1 0.5 OG/BK 5285 Adjustable Pedals Relay Rearward Control (JF4)
E2 0.5 RD/WH 740 Battery Positive Voltage (JF4)
E3 0.35 YE 6812 Out of Park Signal (JF4 -AN3)
G1 0.5 PU 5286 Adjustable Pedals Relay Forward Control (JF4)
H1 0.35 D-GN/WH 817 Vehicle Speed Signal
0.5 D-GN/WH 817 Vehicle Speed Signal (Y91)
K1 - - Not Used
K2 0.35 YE 6817 LED Backlight Dimming Control
K3 0.35 D-GN 5060 Low Speed GMLAN Serial Data
L1-L2 - - Not Used
L3 0.35 YE 6817 LED Backlight Dimming Control
L4 0.35 YE 6817 LED Backlight Dimming Control
L5 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
M1-M2 - - Not Used
M3 0.35 YE 6817 LED Backlight Dimming Control
0.35 YE 6817 LED Backlight Dimming Control (C67/C42)
M4 - - Not Used
M5 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
0.5 TN 2501 High Speed GMLAN Serial Data Bus-
N1 0.35 D-BU 2307 Passenger Air Bag On Indicator Control (AL0/C99)
N2 - - Not Used
N3 0.35 YE 6817 LED Backlight Dimming Control (JL1)
0.35 YE 6817 LED Backlight Dimming Control (PTO)
N4 0.35 YE 6817 LED Backlight Dimming Control
0.35 YE 6817 LED Backlight Dimming Control
N5 0.35 TN 2501 High Speed GMLAN Serial Data Bus-
P1 0.35 PU 5234 Passenger Seat Belt Indicator (AL0)
P2 - - Not Used
P3 0.35 D-GN 2308 Passenger Air Bag Off Indicator Control (AL0/C99)
P4 3 RD/WH 3740 Battery Positive Voltage (-Y91)
P5 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
Connector Part Information 
  • OEM: 15467567
  • Service: 19149284
  • Description: 50-Way F GT 280 Series (BK)
Terminal Part Information 
  • Pins: A1, A2, B5, C1, C3, E1-E3, G1, H1, K2, K3, L3-L5, M3, M5, N1, N3-N5, P1, P3, P5
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A5, D3
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: P4
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B1, D1
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
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