What are the colors for on the air thingy on the trailer?

2284996

{"text":"Is one for cold air and the other for hot air?  Will I get burned if I take off the red one with the engine running?  ","videos":"[]","link":"{}","pics":"[]","canComment":true,"externalShare":false}

2284996

{"replyTo":"

1248444 发表于 2023-10-15 15:30:44 if you don't know what everything is called on the truck and trailer, you absolutely definitely do not belong behind the wheel of a CMV or any motorized vehicle

","text":"Sir, I don't have to take that from you.  Take your attitude somewhere else.","replyToPid":477360}

467837

{"replyTo":"","text":"your joking right , this has got to be a joke lol","replyToPid":0}

493141

{"replyTo":"","text":"The blue one is for truckers therapy ....it blows blue air bubbles when the trucker is lonely and  needs to feel appreciated. The red one is dangerous it has tiny ninjas that pop out the hose n can bite ur fingers off!","replyToPid":0}

2239963

{"replyTo":"","text":"is that like what CC means or the buttons on seat?","replyToPid":0}

1248444

{"replyTo":"","text":"if you don't know what everything is called on the truck and trailer, you absolutely definitely do not belong behind the wheel of a CMV or any motorized vehicle","replyToPid":0}

1068068

{"replyTo":"","text":"Apparently a lot of truckers in your comments have no sense of humor 😅","replyToPid":0}

2186128

{"replyTo":"","text":"yes sir red one should say never open while hot lmao but if u do just connect it to the blue that runs to your intercooler to cool all the heat out the red side","replyToPid":0}

229979

{"replyTo":"","text":"Did your parents have any children who lived? ","replyToPid":0}

1228228

{"replyTo":"","text":"Blue is to cool the air in the summer and red is to heat in the winter ","replyToPid":0}