Fuel pressure gauges and needle valves

[dripley]

I believe you can tap into the wiring under the dash, but I could not tell you where. I am sure someone else will know.

[KYcummins5.9]

I figured it out with a little help....on my truck the brown wire comin out of the dimmer switch dims the factory gaugesi tapped in there! Dripley, you were refering to a tapafuse....napa had them when i went to get some stakons...thanks for all the help

[dripley]

I have an add a fuse, but this one just fits in the fuse slot and the fuse goes right back in the slot.