GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Grand Prix 🢒 Vehicle Control Systems 🢒 Computer/Integrating Systems 🢒 Data Link Connector Schematics
Figure 1:

L26, L32
Object Number: 1457691 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
LS4
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
G200
G202
Figure 2:

LS4
Object Number: 1551543 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Data Link Communication
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
BATT MAIN 1, PK LAMPS, DISPLAS, CHMSL/BKUP, INT LIGHT, RFA MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, CANISTER Fuses and PKLP Relay
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
Computer/Integrating Systems Schematic Icons
G200
G202