GM Service Manual Online
For 1990-2009 cars only
Table 1: Splice Pack SP203
Table 2: Splice Pack SP400 (Ground Block)

Splice Pack SP203


Object Number: 338576  Size: CH

Connector Part Information

    • 12191216
    • 12-Way F Splice Savers Single Row (GY)

Pin

Wire Color

Circuit No.

Function

A

PU

1132

DLC Class 2 Serial Data

B

D-GN

1049

ECM/PCM/VCM Class 2 Serial Data

C

RD/WH

2673

Class 2 Serial Data (L18)

D

OG

1044

Radio Class 2 Serial Data

E

L-BU

1122

ABS/TCS Class 2 Serial Data

F

D-BU

1128

SDM Class 2 Serial Data

G

GY

1036

IPC Class 2 Serial Data

H-J

--

--

Not Used

K

YE

2470

Serial Data Class 2

L

--

--

Not Used

M

D-BU/WH

653

Chime Module Bit 1 Signal

Splice Pack SP400 (Ground Block)


Object Number: 696940  Size: CH

Object Number: 1485992  Size: CH

Connector Part Information

    • 12065172
    • 1-Way F Metri-Pack 280 Series, Sealed (BK)

Connector Part Information

    • 12066545
    • 6-Way M Metri-Pack 280 Series, Molded On Ground Cable (BK)
    • Indexing May Vary

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

A

--

--

Ground

BK

--

Ground

B

--

--

Ground

BK

--

Ground

C

--

--

Ground

BK

--

Ground

D

--

--

Ground

BK

--

Ground

E

--

--

Ground

BK

--

Ground

F

--

--

Ground