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Fuse Block - Auxiliary X1 (HP2)

Fig 1: Fuse Block - Auxiliary X1 (HP2) Connector End View
GM1581655Courtesy of GENERAL MOTORS CORP.
Fuse Block - Auxiliary X1 (HP2)

Pin Wire Circuit Function
A1 0.35 D-BU 473 High Speed Cooling Fan Relay Control
A2 0.35 PU 5128 Auxiliary Cooling Fan Relay Control
A3 0.5 PK 1839 Ignition Voltage
A4-A8 - - Not Used
B1-B2 - - Not Used
B3 0.8 RD/WH 3340 Battery Positive Voltage
B4 0.8 RD/WH 4640 Battery Positive Voltage
B5 1 RD/WH 4140 Battery Positive Voltage
C1 0.8 PK 2014 Coolant Pump Relay Control
C2 0.5 TN 955 Low Reference
C3 0.5 YE 954 5-Volt Reference
C4-C8 - - Not Used
D1 0.8 OG/WH 7585 Motor Feed
D2-D5 - - Not Used
E1 - - Not Used
E2 5 RD/WH 4040 Battery Positive Voltage
F1-F2 - - Not Used
G1-G5 - - Not Used
H1 - - Not Used
H2 0.5 D-BU 942 Low Temperature Cooling Pump Motor Ground
H3 0.35 D-GN 335 Low Speed Cooling Fan Relay Control
H4 0.5 PU 5531 Hood Switch Signal
H5-H8 - - Not Used
J1 0.8 RD/WH 4240 Battery Positive Voltage
0.8 RD/WH 4240 Battery Positive Voltage
J2 0.8 RD/WH 984 5-Volt Reference
J3 0.8 RD/WH 983 Transmission Fluid Pump Control
J4 0.5 RD/WH 40 Battery Positive Voltage
J5 - - Not Used
K1 0.5 D-BU 941 Low Temperature Cooling Pump Motor Ground
K2 0.5 PK/BK 109 Hood Ajar Switch Signal
K3-K8 - - Not Used
Connector Part Information 
  • OEM: 15477822
  • Service: See Catalog
  • Description: 56-Way F GT 150 280 Metri-Pack 800 Series (BK)
Terminal Part Information 
  • Pins: E2
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)
  • Pins: A1-A3, C1-C3, H2-H4, K1, K2
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: Pins A1-A3, C2, C3, H2-H4, K1, K2 - E/C
  • Core/Insulation Crimp: Pins C1 - C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: B3-B5, D1, J1-J4
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins B3-B5, D1, J1-J3 - 2/A
  • Core/Insulation Crimp: Pins J4 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
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