Lb7 2004 pressure gmc sierra hd 2500 wiring oil duramax pcm gauge working am low Gmc sierra 2500 hd lb7: q&a on oil pressure switch & sensor wiring diagrams
GMC Sierra 2500 HD LB7: Q&A on Oil Pressure Switch & Sensor Wiring Diagrams
GMC Sierra 2500 HD LB7: Q&A on Oil Pressure Switch & Sensor Wiring Diagrams