Posted: Fri Aug 10, 2018 9:56 am
I have a viair 200 psi OBA on my truck, love it for the engine brake, hair horn and airing up tires. I had an issue of it not holding pressure and running continuously. I did extensive troubleshooting and thought the compressor was toast so I ordered another one and replaced the alleged bad one. Same problem! I finally found a split air line that I could not get too or spray with soapy water so now I have a spare 200psi rated compressor. It has a 100% duty cycle at 100 psi so I made a portable out if it with a 125psi pressure switch, 200psi safety valve and a connection fitting. It turns on and off automatically as needed to keep the air line is pressurized. Instead of a typical cig. lighter connection or alligator clips I used power pole connections to mate with what I already have on my truck, no need to raise the hood.