GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Air Temperature Sensor (DH3)
Connector 2: Engine Oil Pressure (EOP) Switch (L61)
Connector 3: Engine Oil Pressure (EOP) Switch (L66)
Connector 4: Instrument Panel Cluster (IPC)

Ambient Air Temperature Sensor (DH3)


Object Number: 684793  Size: CH

Connector Part Information

  • OEM: 12052642
  • Service: See Catalog
  • Description: 2-Way F Metri-Pack 150 Series Sealed (L-GN)

Ambient Air Temperature Sensor (DH3)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

735

Ambient Air Temperature Sensor Signal

B

GY

720

Low Reference

Engine Oil Pressure (EOP) Switch (L61)


Object Number: 516595  Size: CH

Connector Part Information

  • OEM: 12065299
  • Service: See Catalog
  • Description: 1-Way F Metri-Pack 150 Series Sealed (GY)

Engine Oil Pressure (EOP) Switch (L61)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

Engine Oil Pressure (EOP) Switch (L66)


Object Number: 1332472  Size: CH

Connector Part Information

  • OEM: 6189-1113
  • Service: See Catalog
  • Description: 1-Way F HX Series (BK)

Engine Oil Pressure (EOP) Switch (L66)

Pin

Wire Color

Circuit No.

Function

1

YE/RD

114

Oil Pressure Switch Signal

Instrument Panel Cluster (IPC)


Object Number: 1282878  Size: CH

Connector Part Information

  • OEM: 15305356
  • Service: See Catalog
  • Description: 16-Way F Micro-Pack 100 Series Unsealed (GY)

Instrument Panel Cluster (IPC)

Pin

Wire Color

Circuit No.

Function

A1

PK

139

Ignition 1 Voltage

A2

YE

749

Security Indicator Control

A3

--

--

Not Used

A4

D-BU

15

Right Turn Signal

A5

L-BU

14

Left Turn Signal

A6-A7

--

--

Not Used

A8

GY

8

I/P Lamps Supply Voltage

B1

PU

5234

Passenger Seat Belt Indicator Control

B2

OG

2540

Battery Positive Voltage

B3

--

--

Not Used

B4

BK/WH

151

Ground

B5

PU

1807

Class 2 Serial Data

B6

B7-B8

--

--

Not Used