GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Grand Prix 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Data Link Connector Schematics
Figure 1:

Power/Grounds, and E&C
Object Number: 594148 Size: FS
Battery, Starter, Generator, EBCM, Underhood Accessory Wiring JuncTion Block and Fuse Block
CD CHG, STOP LAMP, INT LAMP and CGR LTR Fuse
G200 (3 of 4)
Data Link Communications Components
Data Link Communications Circuit Description
UART
Handling ESD Sensitive Parts Notice
Figure 2:

UART
Object Number: 594149 Size: FS
Data Link Communications Components
Data Link Communications Circuit Description
Class 2
Power/Grounds, and E&C
Handling ESD Sensitive Parts Notice
Figure 3:

Class 2
Object Number: 594150 Size: FS
SIR Handling Caution
Data Link Communications Components
Data Link Communications Circuit Description
UART
Handling ESD Sensitive Parts Notice