73' mach 1 Well-known member 7173 Mustang Supporter Member Joined Dec 11, 2015 Messages 626 Reaction score 116 Location Philadelphia My Car 73 Mach 1 Jan 2, 2021 #2 Anyone know what this is for coming out of the fire wall? Look like its brown with yellow dots.
7 71fast Well-known member 7173 Mustang Supporter Member Joined Apr 11, 2011 Messages 95 Reaction score 10 Location Kennewick Washington USA My Car 1971 fastback Jan 2, 2021 #3 Maybe wire 81 brown with yellow dot found on 1973_full.pdf page 12. Part of EGR system.