2007 Chevrolet Impala LS, 3.5 NFACTORY OEM SERVICE PROCEDURE

Fuse Block Connector End View - I/P C1

Fig 1: Fuse Block - I/P C1
GM1667403Courtesy of GENERAL MOTORS CORP.
Electrical Center Identification Views

Connector Part Information 
  • OEM: 15477601
  • Service: See Catalog
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (BK)
Terminal Part Information 
  • Pins: A3, A4, A5, A6, C1, C2, C3, C4, H1, H6, K5, K6
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: B1, E2, F2, G1, G2, J1, J2, J3
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins B1 - E/A
  • Core/Insulation Crimp: Pins E2, F2, G1, G2, J1, J2, J3 - 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B2, B3, D1, E1, D2, F3
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: Pins B2, B3, D1, E1 - F/D
  • Core/Insulation Crimp: Pins D2, F3 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
Fuse Block - I/P C1

Pin Wire Color Circuit No. Function
A1-A2 - - Not Used
A3 TN 707 RAP Relay Coil Supply Voltage
A4 L-BU 1344 Trunk Release Relay Control
A5 TN/WH 56 Trunk Release Motor Control
A6 RD/WH 2840 Battery Positive Voltage
B1 YE 643 Accessory Voltage (DD6, CF5)
YE 643 Accessory Voltage (w/Floor Shifter)
YE 643 Accessory Voltage (9C1, 9C3)
B2 YE 143 Accessory Voltage
B3 YE 143 Accessory Voltage (Coupe)
YE/BK 143 Accessory Voltage (Sedan)
C1 RD/WH 2340 Battery Positive Voltage (UE1, UG1)
C2 RD/WH 2340 Battery Positive Voltage (U2K)
C3 RD/WH 1340 Battery Positive Voltage
C4 RD/WH 1340 Battery Positive Voltage
C5-C6 - - Not Used
D1 RD/WH 1140 Battery Positive Voltage (AG1)
D2 RD/WH 640 Battery Positive Voltage (UQ3, U87)
E1 RD/WH 1140 Battery Positive Voltage (Coupe, AG2)
E2 RD/WH 1940 Battery Positive Voltage
E3 - - Not Used
F1 - - Not Used
F2 RD/WH 1440 Battery Positive Voltage (9C1, 9C3)
F3 RD/WH 3440 Battery Positive Voltage (CF5)
G1 RD/WH 1440 Battery Positive Voltage (KA1)
G2 GY 295 Door Lock Actuator Lock Control
H1 RD/WH 840 Battery Positive Voltage
H2-H6 - - Not Used
J1 BK 750 Ground
J2 TN 294 Door Lock Actuator Unlock Control
J3 TN 694 Driver Door Lock Actuator Unlock Control
K1-K3 - - Not Used
K4 L-GN 1391 Door Lock Relay Control
K5 L-BU 5921 Door Unlock Relay Control
K6 YE 356 Driver Door Unlock Relay Unlock Control
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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