GM Service Manual Online
For 1990-2009 cars only
Connector 1: JX103 (2.4L)
Connector 2: JX202
Connector 3: JX303
Connector 4: JX305
Connector 5: JX306

JX103 (2.4L)

Connector Part Information

  • OEM: N/A
  • Service: N/A
  • Description: 14-Way Black

JX103 (2.4L)

Pin

Wire Color

Circuit No.

Function

1-3

BN/WH

--

HO2S Low Reference

4-7

GY

--

5-Volt Reference

8-10

OG/BK

--

Low Reference

11-14

BN

--

5-Volt Reference

JX202


Object Number: 1480164  Size: CH

Connector Part Information

  • OEM: MG 621818-5
  • Service: N/A
  • Description: F 090II 20-Way S/PACK CONNECTOR UnSealed Black/Blue

JX202

Pin

Wire Color

Circuit No.

Function

1-10

GN

--

Serial Data - BUS

11-20

YE

--

Interior Lights Dimming Control - BUS

JX303


Object Number: 1480164  Size: CH

Connector Part Information

  • OEM: MG 621818-5
  • Service: N/A
  • Description: F 090II 20-Way S/PACK CONNECTOR UnSealed Black/Brown

JX303

Pin

Wire Color

Circuit No.

Function

1-5

L-BU

--

Stop Lamp Supply Voltage - BUS

6-10

GY/BK

--

Courtesy Lamp Relay Control - BUS

11-13

RD/WH

--

Battery Positive Voltage - BUS

14-17

BU

--

Serial Data - BUS

18-20

OG

--

Rear Fog Lamp Supply Voltage - BUS

JX305


Object Number: 1480164  Size: CH

Connector Part Information

  • OEM: MG 621818-5
  • Service: N/A
  • Description: F 090II 20-Way S/PACK CONNECTOR UnSealed Black

JX305

Pin

Wire Color

Circuit No.

Function

1-4

YE

--

Mirror Motor Right/Up Control - BUS

PU/WH

--

Stop Lamp Supply Voltage - BUS (Short Body)

5-10

L-GN

--

Back Up Lamp Supply Voltage - BUS

11-14

BU

--

Power Window Master Switch Lockout Signal - BUS

15-20

BN

--

Door Deadlock Actuator Control - BUS

JX306


Object Number: 1480164  Size: CH

Connector Part Information

  • OEM: MG 621818-5
  • Service: N/A
  • Description: F 090II 20-Way S/PACK CONNECTOR UnSealed Black/Blue

JX306

Pin

Wire Color

Circuit No.

Function

1-4

BN/WH

--

Door Open Switch Signal - BUS

5-10

BN

--

Door Unlock Control - BUS

RD/WH

--

Battery Positve Voltage - BUS (Short Body)

11-14

L-BU

--

Park Brake Switch Signal - BUS

BN

--

Door Deadlock Actuator Control - BUS (Short Body)

15-20

GY

--

Door Unlock Control - BUS