The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1973-1991 Dual fuel tank systems theory of operation

44th Miss Inf · 07-15-2021, 12:16 PM

The one on my 88 R30 w/454 was GM 25036938 (standard PS221 is the cross) this is the one for the computer, not sure what the one for the gauge is, as I’ve never changed it

07-15-2021, 12:16 PM	#122
44th Miss Inf Registered User Join Date: Sep 2002 Location: Liberty, Mississippi Posts: 671	Re: 1973-1991 Dual fuel tank systems theory of operation The one on my 88 R30 w/454 was GM 25036938 (standard PS221 is the cross) this is the one for the computer, not sure what the one for the gauge is, as I’ve never changed it