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Home >> Buick >> 2018 >> Regal Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Component Locations - Electrical Center Identification Views >> Electrical Center Identification Views >> X50A Fuse Block - Underhood X4

X50A Fuse Block - Underhood X4

GM4256367
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13593722
  • Service Connector: 19352218
  • Description: 64-Way F 1.5, 2.8 OCS Series (GN)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 13575708 J-35616-2A (GY) J-38125-11A Not Available Not Available Not Available Not Available
II 13578891 J-35616-2A (GY) J-38125-11A Not Available Not Available Not Available Not Available
III 13578893 J-35616-4A (PU) J-38125-11A 7116-4110-02 Yazaki 9 E C
IV 13578928 J-35616-42 (RD) J-38125-11A Not Available Not Available Not Available Not Available
V 13580025 J-35616-4A (PU) J-38125-11A 7116-4111-02 Yazaki 9 C A
VI 13580025 J-35616-4A (PU) J-38125-11A 7116-4111-02 Yazaki 9 E A
VII 13582322 J-35616-4A (PU) J-38125-11A 7116-4110-02 Yazaki 9 E C
VIII 13587516 J-35616-4A (PU) J-38125-11A 7116-4112-02 Yazaki 9 C D
Pin Size Color Circuit Function Terminal Type ID Option
A1 - B1 - - - Not Occupied - -
B2 0.5 YE/BU 5126 After Boil Heater Pump Control I -
B3 - C2 - - - Not Occupied - -
C3 0.75 VT/BU 5292 Powertrain Main Relay Fused Supply 3 I LGX
C4 0.35 GY 5127 After Boil Heater Relay Control II LGX
C5 - D1 - - - Not Occupied - -
D2 2.5 YE/GN 4358 Starter Pinion Solenoid Voltage IV -
E1 0.5
0.75
VT/BU
VT/BU
5293
5293
Powertrain Main Relay Fused Supply 4
Powertrain Main Relay Fused Supply 4
I
I
LGX
LTG
E2 - F1 - - - Not Occupied - -
F2 1 VT/BU 5291 Powertrain Main Relay Fused Supply 2 V -
F3 0.5 RD/WH 140 Battery Positive Voltage VII LTG
F4 - F6 - - - Not Occupied - -
G1 0.5
0.35
YE
YE
5991
5991
Powertrain Relay Coil Control
Powertrain Relay Coil Control
I
II
LGX
LTG
G2 1
0.75
VT/BU
VT/BU
5292
5292
Powertrain Main Relay Fused Supply 3
Powertrain Main Relay Fused Supply 3
V
VI
LGX
LTG
G3 - - - Not Occupied - -
G4 0.75 BK 2650 Ground VI -
G5 - - - Not Occupied - -
G6 0.35 YE/VT 4325 Starter Pinion Solenoid Relay Control II -
H1 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply 5 I -
H2 2.5 VT/BU 5290 Powertrain Main Relay Fused Supply 1 VIII -
H3 - - - Not Occupied - -
H4 0.35 WH/GY 459 A/C Compressor Clutch Relay Control III -
H5 0.5 BN/GN 59 A/C Compressor Clutch Control VII -
H6 - J4 - - - Not Occupied - -
J5 2.5 YE 6 Starter Solenoid Crank Ignition Voltage VIII -
J6 0.35 YE/BK 625 Starter Enable Relay Control II -
K1 0.5 VT/GN 439 Run/Crank Ignition 1 Voltage I -
K2 - K3 - - - Not Occupied - -
K4 0.35 YE/BK 625 Starter Enable Relay Control II -
K5 0.35 WH/BU 6311 Cruise/ETC/TCC Brake Signal II -
K6 - - - Not Occupied - -
K7 0.5 VT/GN 439 Run/Crank Ignition 1 Voltage VII -
K8 0.5 BU/BN 7573 Electric Variable Displacement Supply I -
L1 - - - Not Occupied - -
L2 0.5 VT/YE 5985 Accessory Wakeup Serial Data I -
L3 0.5 WH/BU 5986 Serial Data Communication Enable I -
L4 - L6 - - - Not Occupied - -
L7 0.5 BU/YE 7574 Electric Variable Displacement Control VII -
L8 0.5 VT/BK 2139 Run/Crank Ignition 1 Voltage I -
M1 - M2 - - - Not Occupied - -