Fuel Pressure Gauge NOT working.

quick89gt · 05-01-2001, 06:50 PM

I did remove the schrader valve. I got to thinking and I think I actually fried the gauge after I first installed them a while ago when I was testing to mark which wire was which. I had the wires hooked up at the gauge, but needed to mark them under the hood for when I mounted my sending unit, so I just took one of the wires and touched it to the battery and used a tester inside to find which one it was...welll.....it was the sending wire and the directions say not to touch the ignition wire to the sending terminal b/c it might fry the gauge. Well...i put a full 12v right to that terminal...I'm thinking I fried it, b/c everything else is hooked up perfectly...josh

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'89 GT, T-5,
Vortech S-Trim, GT-40P heads, MAC 1 5/8" headers, MAC Off-Road H-Pipe, 2 1/2" Flowmasters, Edelbrock 65mm T.B., Trick Flow Intakes, Crane 2031 cam, 1.7 Roller Rockers, Screamin' Deamon Coil, 255lph Fuel Pump, T-Rex, SVO Motorsport Clutch, Adjustable Fuel Pressure Regulator, Formula GP Suspension, MAC Upper & Lower Control Arms, FMS 3.73 Gears.
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05-01-2001, 06:50 PM	#4
quick89gt Registered Member Join Date: Apr 2000 Location: O'Fallon, IL Posts: 243	I did remove the schrader valve. I got to thinking and I think I actually fried the gauge after I first installed them a while ago when I was testing to mark which wire was which. I had the wires hooked up at the gauge, but needed to mark them under the hood for when I mounted my sending unit, so I just took one of the wires and touched it to the battery and used a tester inside to find which one it was...welll.....it was the sending wire and the directions say not to touch the ignition wire to the sending terminal b/c it might fry the gauge. Well...i put a full 12v right to that terminal...I'm thinking I fried it, b/c everything else is hooked up perfectly...josh ------------------ *********************** '89 GT, T-5, Vortech S-Trim, GT-40P heads, MAC 1 5/8" headers, MAC Off-Road H-Pipe, 2 1/2" Flowmasters, Edelbrock 65mm T.B., Trick Flow Intakes, Crane 2031 cam, 1.7 Roller Rockers, Screamin' Deamon Coil, 255lph Fuel Pump, T-Rex, SVO Motorsport Clutch, Adjustable Fuel Pressure Regulator, Formula GP Suspension, MAC Upper & Lower Control Arms, FMS 3.73 Gears. ***********************