The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What's this firewall grommet/brown wire for? Where's the tach hole?

**DaHos** · 03-27-2024, 04:53 PM

TTT ????

Any answers as to which one is fuel sender and which is Tach?

03-27-2024, 04:53 PM	#3
DaHos Senior Member Join Date: Sep 2011 Location: Owosso, Michigan Posts: 2,854	Re: What's this firewall grommet/brown wire for? Where's the tach hole? TTT ???? Any answers as to which one is fuel sender and which is Tach? __________________ 1967 C10 SWB Owner - Rustbelt Restorations