GM Service Manual Online
For 1990-2009 cars only
Figure 1:

L18


Object Number: 725770  Size: FS
Master Electrical Component List
Terminals 6, 7, 12 and 15 (LG5)
Splicing Twisted or Shielded Cable
Splicing Twisted or Shielded Cable
Splicing Twisted or Shielded Cable
HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers
S141 and S210 (L18)
HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers
G108 and S220 (L18)
G102 and S138 (L18)
S141 and S210 (L18)
S142, S178, S179, S405 and S409 (L18)
G207, G208 and S221 (L18)
G102 and S138 (L18)
Figure 2:

Terminals 6, 7, 12 and 15 (LG5)


Object Number: 725772  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Terminal 2 (LG5)
L18
Data Link Communications Schematic Icons
HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers
HAZ, HORNS, PNL, STOP LP and TL/MKR Circuit Breakers
S220, S229 (LG5 - Late)
G108, G207, G208 and S221 (LG5)
G100, G101, G103, G107, G117, G119, G120, G121, G124, G400, G401, G405,G412, G413 and G414, S170
S169, S210, S411 and S 414 (LG5)
S169, S210, S411 and S 414 (LG5)
Data Link Communications Schematic Icons
Data Link Communications Schematic Icons
Data Link Communications Schematic Icons
Data Link Communications Schematic Icons
S142 and S241 (LG5)
Figure 3:

Terminal 2 (LG5)


Object Number: 728966  Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Terminals 6, 7, 12 and 15 (LG5)