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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 994 (COMPONENT CONNECTOR END VIEW (1 OF 5))BODY CONTROL MODULE (BCM) X5
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Body Control Module (BCM) X5

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Body Control Module (BCM) X5
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) X5 Connector End View
GM1664500Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) X5

Pin Wire Color Circuit Function
1 0.5 YE/BK 1334 Left Rear Turn Signal Lamp Control (X88, Z88 or Z75, with EXP and with E52)
0.35 YE 18 Left Rear Stop/Turn Lamp Control (X88 without E52 or Z75 without EXP)
2 0.5 D-GN/WH 1335 Right Rear Turn Signal Lamp Control (X88, Z88 or Z75, with EXP and with E52)
0.35 D-GN 19 Right Rear Stop/Turn Lamp Control (X88 without E52 or Z75 without EXP)
3 - - Not Used
4 0.5 L-BU/WH 1314 Left Front Turn Signal Lamp Control
5 0.5 L-BU 1320 CHMSL Control
6 0.35 L-BU/WH 6311 Brake Signal
7 0.35 WH 2282 Headlamp Washer Relay Control (CE4)
8 0.5 PK 5076 Current Sensor Control
0.5 PK 5076 Current Sensor Control (HP2)
9 0.5 WH 5075 Current Sensor Signal
0.5 WH 5075 Current Sensor Signal (HP2)
10 0.5 BN 5077 Low Reference
0.5 BN 5077 Low Reference (HP2)
11 0.35 YE 43 Ignition Voltage
12 - - Not Used
13 0.35 OG 300 Ignition Voltage
14 0.35 WH 2283 Rear Wiper/Washer Switch Control
0.35 WH 2283 Rear Wiper/Washer Switch Control (HP2)
15 0.35 PU 5531 Hood Closed Switch Signal
16 0.35 L-BU 1134 Park Brake Switch Signal
17 0.35 YE 5356 Left Tail Lamp Outage Detection Signal (Z75)
18 0.35 TN 28 Horn Relay Control
19 0.35 YE 6812 Out of Park Signal (except HP2)
20 0.35 GY 91 Windshield Wiper Switch Signal 2
21 0.35 TN 860 Front Windshield Wiper Switch High Signal
22 - - Not Used
23 0.35 PK/WH 1970 Headlamp Low Beam Relay Control
24 0.35 D-BU 45 Park Lamp Relay Control
25 - - Not Used
Connector Part Information 
  • OEM: 15480179
  • Service: 88988837
  • Description: 25-Way F HIT Series (BN)
Terminal Part Information 
  • Pins: 1-5
  • Terminal/Tray: SNAC-A061T-M2.8/20
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 6-25
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)
RENDER: 1.0x

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