6.0L CNG

WARNING: This page is about a different car, the 2003 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: 6.0L CNG, A/T Circuit

Fig 2: 6.0L CNG, Transfer Case Circuit, 2-Speed Manual

Fig 3: 6.0L CNG, Transfer Case Circuit, Selectable