LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1925 (OEM Connector End Views - Sierra & SILVERADO - Cooling System, Data Communication, Displays & Gauges, Electrical Center, Engine Control Module, Engine Controls) >> Electrical Center Connector End Views >> Junction Block Connector End View - Right I/P (Wire Entry)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Junction Block Connector End View - Right I/P (Wire Entry)

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Block - Right I/P (Wire Entry) Connector End Views
GM1666267Courtesy of GENERAL MOTORS CORP.
Junction Block - Right I/P (Wire Entry) Connector Parts Information

Connector Part Information 
  • OEM: 15489487
  • Service: See Catalog
  • Description: 40-Way F (BK)
Terminal Part Information 
  • Pins: 2A4, 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, 3A4
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 2A2, 2A3, 2B3, 2B6, 2B7, 3A7, 4A1, 4A2, 4A3, 4A4, 4A5, 4A6, 4A7, 4B2, 4B3, 4B5, 4B6, 5B
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 2B1, 3B4
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: C/D
  • 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)
Junction Block - Right I/P (Wire Entry) Connector Terminal Identification

Pin Wire Color Circuit No. Function
2A1 - - Not Used
2A2 0.35 TN 481 Outside Moisture Signal 1 (CE1)
2A3 0.35 L-GN 482 Outside Moisture Signal 2 (CE1)
2A4 0.35 WH 2283 Ignition Voltage (CE1)
0.35 WH 2283 Ignition Voltage (NQH/NQF +CE1)
2A4-2A6 - - Not Used
2A7 - - Ground Bus
2B1 0.35 RD/WH 3140 Battery Positive Voltage (CF5/TRW)
2B2 0.5 BN 2509 Left Front Park Lamps Supply Voltage (U01)
2B3 0.35 YE 43 Accessory Voltage (CF5)
2B4 0.5 BN/WH 230 Instrument Panel Lamp Dimming Control (CF5)
2B5 0.5 WH 5990 Emergency Lamp Switch Signal (5Y0/5X7)
2B6 0.5 BK 1050 Ground
2B7 0.35 OG 300 Ignition 3 Voltage (Export w/CF5)
3A1 0.5 D-GN 117 Right Front Speaker Output (-)
3A2 0.5 L-GN 200 Right Front Speaker Output (+)
3A3 0.35 BK 1850 Ground
3A4 0.8 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage (DL3/DPN)
0.8 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage (DL3/DPN)
0.35 L-BU 244 Passenger Door Lock Switch Lock Signal (AU3 -YE9)
3A5 0.35 TN/WH 746 Right Front Door Ajar Switch Signal (-AN3/DL3)
3A6 0.8 GY 295 Door Lock Actuator Lock Control (AU3 -AN3/DL3)
3A7 3 BK 1050 Ground
3B1 0.35 D-GN 5060 Low Speed GMLAN Serial Data (YE9 +AN3/DL3)
3B2 0.8 RD/WH 240 Battery Positive Voltage
3B3 0.8 TN 294 Door Lock Actuator Unlock Control (AU3 -AN3/DL3)
3B4 2 RD/WH 1340 Battery Positive Voltage (A31)
0.35 D-BU 245 Passenger Door Lock Switch Unlock Signal (AU3 -YE9)
3B5 0.35 BN/WH 230 Instrument panel lamps dimming Control (AU3)
3B6 0.35 OG 5922 Passenger Door Open Signal (-AN3/DL3)
3B7 - - Ground Bus
4A1 0.35 GY 598 5-Volt Reference
4A2 0.35 TN 520 Lower Right Air Temperature Sensor Signal (CJ2)
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 3 BK 1050 Ground
4B1 - - 5-Volt Reference Bus
4B2 0.35 D-BU 1199 Air Temperature Door Control
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
4B7 - - Ground Bus
5A 0.35 D-GN 6101 Low Reference
5B 0.35 PK 839 Ignition 1 Voltage
0.35 PK 839 Ignition 1 Voltage
5C 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
6A 5 RD/BK 542 Battery Positive Voltage
6B 3 BK 1050 Ground
3 BK 1050 Ground
scientia non olet · About LEMON Manuals