OOPS I KILLED A PENGUIN..
Having trouble with my Isspro gauge. I bought a used set from my friend, I had to purchase a probe and I went with the autometer street series probe. I hooked up the wires red to red(white stripe) and yellow to yellow. Put power and ground to the box and gauge doesn't work... I only drove for a short time, but I figured an Egt gauge should work almost instantly. Any suggestions?