Hey guys,

I have a Hahn Portfueler, I got no instructions when I bought it tho, so I'm looking for some help on wiring.

I reached out to Hahn, but I figure this will probably be faster.

I have 3 wires coming out of the box (Red, Black and Yellow).

Is this right?

Red = Key-on Power
Black = Ground
Yellow = RPM reference

If Yellow is RPM reference, what is it calibrated for? Where does Hahn recommend getting signal from?

I already have the tach driver box for my aftermarket tach, so is can I splice into the output signal wire from the box to my tach?

Thanks in advance guys!

HIt up CaliforniaDomestics. He is on here lurking alot. He probably knows more about that setup then anyone except Hahn.

Iirc you need the tach adaptor for signal,so your good to go there. I'd download the pdf from split second as they make hahn's portfueler.

click here for slitsec home page

Sweet man! I knew they made the software, didn't know they made the actual box as well.

Thanks great man! Exactly what I'm looking for...thanks man