GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Chevy C Cab/Chassis HD (GMT 400)
🢒 L18 HO2S Circuit
L18 HO2S Circuit
HO2S Circuit
Master Electrical Component List
Powertrain Control Module Description
L18 TAC Power, Grounding, Data Circuits, and Indicator Control
L18 MAP, ECT, and IAT/MAF Sensor
OBD II Symbol Description Notice
L18 PCM Power, Grounding, DLC, and MIL Control
G104 (L18)
L18 PCM Power, Grounding, DLC, and MIL Control
