I've been debating on whether to buy this unit or not to display rail pressure and fuel pressure for my truck. I know to show fuel pressure I have to get the wiring harness for it to read. My question is if I have to purchase the EAS Universal Senor Input harness as well to monitor RP. If I do, I might just go with analogue gauges. Thanks for any help.

 

My Insight displays Fuel PSI out of the box.. I didnt have to buy an adapter, but I have an 07, 5.9.... I like the insight for monitoring purposes, looks almost factory and goes good with lots of different configurations.

 

According to Edge, the Insight will read rail pressure even on my 2003 truck. The Farm Machinery Show is just around the corner so I will see if I can find a deal on it.

 

I found a CS on Craigslist yesterday and picked it up. After updating it, it will read rail pressure. It has some nice features, but also some worthless ones. MPG instant and average is about as accurate as a weatherman. Overall though, I'm happy with it.