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Fuse Block - Underhood C1

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Fuse Block - Underhood C1
GM1538765Courtesy of GENERAL MOTORS CORP.
Electrical Center Identification Views

Connector Part Information 
  • OEM: 15484558
  • Service: See Catalog
  • Description: 47-Way F Receptacle 1.5, 2.8, 6.3 Series (GY)
Terminal Part Information 
  • Pin: 1
  • Terminal/Tray: 15304713/Tray 19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A
  • Pins: 2, 11-13, 22, 24-25, 34-35
  • Terminal/Tray: 15304711/Tray 8
  • Core/Insulation Crimp: Pins 2, 13, 24-25, 35: E/A
  • Core/Insulation Crimp: Pins 11-12, 22, 34: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A
  • Pins: 4, 6, 9-10, 15-21, 26-30, 32, 36-42
  • Terminal/Tray: 8100-4339/Tray 22
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-38616-2A
  • Pins: 7-8
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pin: 43
  • Terminal/Tray: 7116-4122-02/Tray 10
  • Core/Insulation Crimp: D/G
  • Release Tool/Test Probe: 12094430/J-35616-42
Fuse Block - Underhood C1

Pin Wire Color Circuit No. Function
1 PU 6 Starter Solenoid Crank Voltage
2 PK 639 Ignition 1 Voltage
3 - - Not Used
4 D-GN/WH 2087 5-Volt Reference (JL4)
5 - - Not Used
6 D-GN 335 Low Speed Cooling Fan Relay Control
7 RD/WH 540 Battery Positive Voltage
8 BK 1050 Ground
9 D-GN/WH 459 A/C Compressor Clutch Relay Control
10 BK/WH 451 Ground
11 PK 239 Ignition 1 Voltage
12 PK 1039 Ignition 1 Voltage
13 PK 439 Ignition 1 Voltage
14 - - Not Used
15 L-GN 526 Stop Lamp Supply Voltage
16 PK 1339 Ignition 1 Voltage
17 D-GN 59 A/C Compressor Clutch Supply Voltage
18 YE/BK 625 Starter Enable Relay Control
19 PK 439 Ignition 1 Voltage
20 GY 1884 Cruise Control Switch Signal
21 BN 5069 Powertrain Relay Control
22 PK 39 Ignition 1 Voltage (LX9)
PN/BK 5290 Ignition 1 Voltage (LZ9)
PN/BK 5290 Ignition 1 Voltage (LZ9)
23 - - Not Used
24 PK 839 Ignition 1 Voltage
PK 839 Ignition 1 Voltage
25 PK 839 Ignition 1 Voltage
PK 839 Ignition 1 Voltage
26 L-BU 1764 Steering Wheel Position Signal B (JL4)
27 L-BU 1296 Axle Actuator - Control (LX9 w/o JL4)
28 BN/WH 419 MIL Control
29 L-GN 1763 Steering Wheel Position Signal A (JL4)
30 L-BU 2088 Low Reference (JL4)
31 - - Not Used
32 D-BU 473 High Speed Cooling Fan Relay Control
33 - - Not Used
34 D-GN 389 Vehicle Speed Signal
D-GN 389 Vehicle Speed Signal (LX9)
35 L-GN 526 Stop Lamp Supply Voltage
L-GN 526 Stop Lamp Supply Voltage
36 L-BU/WH 2088 Low Reference (JL4)
37 L-BU 1122 Class 2 Serial Data
38 D-GN 1049 Class 2 Serial Data
39 L-GN 1338 Lateral Accelerometer Signal (JL4)
40 L-BU 910 Yaw Rate Sensor Signal (JL4)
41 D-GN 2087 5-Volt Reference (JL4)
42 D-GN/WH 465 Fuel Pump Relay Control
43 RD/BK 1442 Battery Positive Voltage
44-47 - - Not Used
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