Data Communication Schematics. GMC Truck TopKick C-Series (Conventional) C4/C5 2008

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Data Communication Schematics

Figure 1:	Data Link Connector Power and Ground Master Electrical Component List Data Link Communications Description and Operation Control Module References Splice Pack SP203 RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers Splice Pack SP203 G101 - 1 of 2 G103 - 1 of 2, G105, and G106 High Speed GMLAN CAN Connector Power and Ground - L18 w/JE4, LF6, LF8 CAN Connector Power and Ground - L18 w/JE4, LF6, LF8
Figure 2:	Splice Pack SP203 Master Electrical Component List Data Link Communications Description and Operation Control Module References High Speed GMLAN Data Link Connector Power and Ground Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 Data Link Connector Power and Ground
Figure 3:	High Speed GMLAN Master Electrical Component List Data Link Communications Description and Operation Control Module References CAN Connector Power and Ground - L18 w/JE4, LF6, LF8 Splice Pack SP203 Data Link Connector Power and Ground Data Link Connector Power and Ground
Figure 4:	CAN Connector Power and Ground - L18 w/JE4, LF6, LF8 Master Electrical Component List Data Link Communications Description and Operation Control Module References Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 High Speed GMLAN RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers RDO/CHIME, CHMSL, and PWR POST Fuses/Circuit Breakers TRANS Fuse/Circuit Breaker TRANS Fuse/Circuit Breaker Data Link Connector Power and Ground Data Link Connector Power and Ground J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 G203 - 3 of 4 G101 - 1 of 2
Figure 5:	Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 Master Electrical Component List Data Link Communications Description and Operation Control Module References J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 CAN Connector Power and Ground - L18 w/JE4, LF6, LF8 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 ENGINE and PCM-1 Fuses/Circuit Breakers ENGINE and PCM-1 Fuses/Circuit Breakers G103 - 1 of 2, G105, and G106 TRANS Fuse/Circuit Breaker TRANS Fuse/Circuit Breaker FUEL Fuse/Circuit Breaker - L18/LMM, PCV Circuit Breaker - LF8, and ECM-B Circuit Breaker - LF6 FUEL Fuse/Circuit Breaker - L18/LMM, PCV Circuit Breaker - LF8, and ECM-B Circuit Breaker - LF6 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 Splice Pack SP203
Figure 6:	J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 Master Electrical Component List Data Link Communications Description and Operation Control Module References J1939 Serial Data, 2 of 2 - L18 w/JE4, LF6, LF8 Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 CAN Connector Power and Ground - L18 w/JE4, LF6, LF8 CAN Connector Power and Ground - L18 w/JE4, LF6, LF8 Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 Serial Data Gateway (SDG) - L18 w/JE4, LF6, LF8 J1939 Serial Data, 2 of 2 - L18 w/JE4, LF6, LF8 J1939 Serial Data, 2 of 2 - L18 w/JE4, LF6, LF8
Figure 7:	J1939 Serial Data, 2 of 2 - L18 w/JE4, LF6, LF8 Master Electrical Component List Data Link Communications Description and Operation Control Module References J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8 J1939 Serial Data, 1 of 2 - L18 w/JE4, LF6, LF8