Stupid question but I just bought an extension and the air line kit. The videos I have watched all had 4 air lines going to the shifter and mine has 5. Is the red line a back up air line? I’m guessing I should extend that as well.
13 speed Eaton fuller shifter extension
Discussion in 'Trucks [ Eighteen Wheelers ]' started by EzcVNL, Jan 15, 2025.