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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1745 (Component Locations - Electrical Center Identification Views) >> Electrical Center Identification Views >> Junction Block - Right I/P

Junction Block - Right I/P

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block - Right I/P, Top View
GM1857261Courtesy of GENERAL MOTORS CORP.
Fig 2: Junction Block - Right I/P (Wire Entry)
GM1666267Courtesy of GENERAL MOTORS CORP.
Junction Block - Right I/P (Wire Entry)

Pin Wire Circuit Function
2A1 0.5 RD/WH 1540 Battery Positive Voltage (U42 or HP2)
2A2 0.35 TN 481 Outside Moisture Signal 1 (10 Series without MEX or 8S8)
2A3 0.35 L-GN 482 Outside Moisture Signal 2 (10 Series without MEX or 8S8)
2A4 0.35 WH 2283 Ignition Voltage (10 Series without MEX or 8S8)
0.35 WH 2283 Ignition Voltage (NQH)
2A5-2A6 - - Not Used
2A7 3 BK 1050 Ground
2B1 3 RD/WH 3140 Battery Positive Voltage (except MEX)
2B2 0.5 BN 2509 Left Front Park Lamps Supply Voltage (except MEX or 8S8)
2B3 0.35 YE 43 Accessory Voltage (except MEX or 8S8)
2B4 0.5 BN/WH 230 Instrument Panel Lamp Dimming Control (except MEX or 8S8)
2B5 0.5 WH 5990 Emergency Lamp Switch Signal (5Y0 or 5X7 except MEX)
2B6 0.5 BK 1050 Ground (except MEX or 8S8)
2B7 0.35 OG 300 Ignition 3 Voltage (EXP with CF5)
3A1 0.8 D-GN 117 Right Front Speaker Output (-)
3A2 0.8 L-GN 200 Right Front Speaker Output (+)
3A3 0.35 BK 1850 Ground (except SLT)
3A4 0.8 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage (DL3, DPN or HP2)
0.8 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage (DL3, DPN or HP2)
0.35 L-BU 244 Passenger Door Lock Switch Lock Signal (AU3 without YE9)
3A5 0.35 TN/WH 746 Right Front Door Ajar Switch Signal (HP2 or except AN3 or DL3)
3A6 0.8 GY 295 Door Lock Actuator Lock Control (HP2 or AU3 without AN3 or DL3)
3A7 3 BK 1050 Ground
3B1 0.35 D-GN 5060 Low Speed GMLAN Serial Data (HP2 or YE9 with AN3 or DL3)
3B2 0.8 RD/WH 240 Battery Positive Voltage (YE9, Y91 or HP2)
3B3 0.8 TN 294 Door Lock Actuator Unlock Control (HP2 or AU3 without AN3 or DL3)
3B4 2 RD/WH 1340 Battery Positive Voltage (HP2 or A31)
0.35 D-BU 245 Passenger Door Lock Switch Unlock Signal (AU3 without YE9)
3B5 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control (HP2 or AU3)
3B6 - - Not Used
3B7 - - Ground Bus
4A1 0.35 GY 598 5-Volt Reference
4A2 0.35 TN 520 Lower Right Air Temperature Sensor Signal (CJ2)
0.35 TN 552 Low Reference (C67)
4A3 0.35 TN 518 Lower Left Air Temperature Sensor Signal (CJ2)
4A4 0.35 YE 1791 Low Reference
4A5 0.35 PU 1838 Recirculation Door Position Signal (CJ2)
4A6 0.35 GY/BK 754 Blower Motor Speed Control
4A7 - - Ground Bus
4B1 - - 5-Volt Reference Bus
4B2 0.35 D-BU 1199 Air Temperature Door Control (CJ2)
4B3 0.35 TN 2273 Mode Door Control
4B4 - - Low Reference Bus
4B5 0.35 YE/BK 713 Defrost/Heater Mode Valve Position Sensor Signal
4B6 0.35 L-BU 733 Air Temperature Door Position Signal (CJ2)
4B7 0.35 WH 2622 Evaporator Temperature Sensor Signal (except HP2)
5A 0.35 D-GN 6101 Low Reference (CJ2)
5B 0.35 PK 839 Ignition 1 Voltage
5C 0/35 PK 839 Ignition 1 Voltage
0/35 PK 839 Ignition 1 Voltage
5D 0.35 D-BU 1646 Auxiliary Air Temperature Door Position Signal
5E 0.35 WH/BK 1236 Auxiliary Air Temperature Door Control
5F 0.35 D-GN 1614 Recirculation Door Control (MEX except C42 or except MEX)
6A 5 RD/BK 542 Battery Positive Voltage
6B 3 BK 1050 Ground
3 BK 1050 Ground
Connector Part Information 
  • Harness: Instrument Panel
  • OEM: 13604154
  • Service:Pending
  • Description: 50-Way M GT 150/280 Metri-Pack 630(BK)
Terminal Part Information 
  • Pins: 2A4 (except NQH)
  • Pins: 2B4, 3B1, 5A, 5C, 5D, 5E, 5F
  • Terminal/Tray: 15304722/8
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)
  • Pins: 3A1
  • Pins: 2A4 (NQH)
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)
  • Pins: 2B4, 3B1, 5A, 5C, 5D, 5E, 5F
  • Terminal/Tray: 15304722/8
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)
  • Pins: 3A2
  • Terminal/Tray: 15304702/19
  • Core/Insulation Crimp: 2/4
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)
  • Pins: 3A4
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 2A2, 2A3, 2B6, 2B7, 3A7, 4A1, 4A2, 4A3, 4A4, 4A5, 4A6, 4B2, 4B3, 4B5, 4B6, 4B7, 5B
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 2B3
  • Terminal/Tray: 15304702/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-3 (G9)
  • Pins: 2B1, 3B4
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: C/D
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 4A7
  • Terminal/Tray: Not Serviced in Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 6A
  • Terminal/Tray: 12066493/3
  • Core/Insulation Crimp: B/G
  • Release Tool/Test Probe: 12094430/J-35616-43 (RD)
  • Pins: 6B
  • Terminal/Tray: 12066493/3
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-43 (RD)
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