GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Tahoe - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Step/Running Board Connector End Views
Connector 1: Assist Step Control Module C1
Connector 2: Assist Step Control Module C2
Connector 3: I/P Multifunction Switch Assembly (X88/Z88)
Connector 4: I/P Multifunction Switch Assembly (Z75)
Connector 5: Running Board - Left
Connector 6: Running Board - Right

Assist Step Control Module C1
Object Number: 1626671 Size: CH

Connector Part Information

  • OEM: 15476196
  • Service: 88988888
  • Description: 6-Way F GT 280 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Assist Step Control Module C1

Pin

Wire Color

Circuit No.

Function

1

D-GN

7469

Articulating Running Board Motor Right Control Retract

2

BK

1350

Ground

3

OG

7471

Articulating Running Board Motor Left Control Extend

4

D-BU

7470

Articulating Running Board Motor Right Control Extend

5

RD/BK

1142

Battery Positive Voltage

6

GY

7472

Articulating Running Board Motor Left Control Retract

Assist Step Control Module C2
Object Number: 831372 Size: CH

Connector Part Information

  • OEM: 15326849
  • Service: 88986260
  • Description: 12-Way F GT 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Assist Step Control Module C2

Pin

Wire Color

Circuit No.

Function

A

PK

7468

Running Board Motor Hall Sensor Left Reference

B

L-GN

7464

Running Board Motor Hall Sensor Right Reference

C

YE

7467

Running Board Motor Hall Sensor Left Signal

D

PU

7465

Running Board Motor Hall Sensor Right Signal

E

TN

7466

Running Board Motor Hall Sensor Left Return

F

YE/BK

7463

Running Board Motor Hall Sensor Right Return

G

--

--

Not Used

H

D-GN

5060

Low Speed GMLAN Serial Data

J

--

--

Not Used

K

TN/WH

7462

Running Board Disable Signal

L-M

--

--

Not Used

I/P Multifunction Switch Assembly (X88/Z88)
Object Number: 1710988 Size: CH

Connector Part Information

  • OEM: 13551678
  • Service: 89047364
  • Description: 12-Way F Receptacle 0.64 Series (BK)

Terminal Part Information

  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

I/P Multifunction Switch Assembly (X88/Z88)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1788

Traction Control Switch Signal (JD9)

2

GY

2555

Rear Park Assist Disable Signal (UD7)

3

BK

1850

Ground

4

YE

6817

LED Backlight Dimming Control

5

BN

5852

Rear Park Assist LED Disable Signal (UD7)

6

PU/WH

6816

Indicator Dimming Control

7

L-GN

6096

Washer Fluid Heated Control Switch Signal (XA7)

8

D-BU/WH

5970

Washer Fluid Heated Control Switch LED Supply Voltage (XA7)

9

TN/WH

7462

Running Board Disable Signal (BRS)

10

OG/BK

5285

Adjustable Pedals Motor Rearward Control (JF4)

11

YE/BK

5813

Park Enable Supply Voltage (JF4)

12

PU

5286

Adjustable Pedals Motor Forward Control (JF4)

I/P Multifunction Switch Assembly (Z75)
Object Number: 1710988 Size: CH

Connector Part Information

  • OEM: 13551678
  • Service: 89047364
  • Description: 12-Way F Receptacle 0.64 Series (BK)

Terminal Part Information

  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

I/P Multifunction Switch Assembly (Z75)

Pin

Wire Color

Circuit No.

Function

1

BK

1850

Ground

2

L-GN

6096

Washer Fluid Heated Control Switch Signal (XA7)

3

YE

6817

LED Backlight Dimming Control

4

OG/BK

5285

Adjustable Pedals Motor Rearward Control (JF4)

5

YE/BK

5813

Park Enable Supply Voltage (JF4)

6

PU

5286

Adjustable Pedals Motor Forward Control (JF4)

7

PU/WH

6816

Indicator Dimming Control

8

D-BU/WH

5970

Washer Fluid Heated Control Switch LED Supply Voltage (XA7)

9

TN/WH

7462

Running Board Disable Signal (BRS)

10-12

--

--

Not Used

Running Board - Left
Object Number: 893439 Size: CH

Connector Part Information

  • OEM: 15326647
  • Service: 88953360
  • Description: 5-Way F GT 280 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Running Board - Left

Pin

Wire Color

Circuit No.

Function

A

OG

7471

Articulating Running Board Motor Left Control Extend

B

GY

7472

Articulating Running Board Motor Left Control Retract

C

TN

7466

Running Board Motor Sensor Left Return

D

PK

7468

Running Board Motor Sensor Left Reference

E

YE

7467

Running Board Motor Sensor Left Signal

Running Board - Right
Object Number: 893439 Size: CH

Connector Part Information

  • OEM: 15326647
  • Service: 88953360
  • Description: 5-Way F GT 280 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Running Board - Right

Pin

Wire Color

Circuit No.

Function

A

D-BU

7470

Articulating Running Board Motor Right Control Extend

B

D-GN

7469

Articulating Running Board Motor Right Control Retract

C

YE/BK

7463

Running Board Motor Sensor Right Return

D

L-GN

7464

Running Board Motor Sensor Right Reference

E

PU

7465

Running Board Motor Sensor Right Signal