my 1998 contour will not run on cng runs good on gas it has 60,000 miles there is a wiring harness by the radiator that is 4 prongs square there are 2 , 1 male and 1 female they will fit together the wires appear to go to the cng control by the left shock tower what hooks up to the wires? a relay or ??
thanks lindy
thanks lindy