You should have have battery voltage to that fuel pump with the ignition switch on. I replaced a pump in a Chevy Citation that had the TBI injection. Use a volt meter or a test lite to see if you have voltage to the pump. Your local Chevy dealer probably has a service manual stored somewhere. They may be able to make a copy of the wiring diagram. I had a fuel gauge on the Citation since it would just quit like it ran out of gas. I think the pressure was suppose to be around 15 or 16 psi. I noticed on a hard pull the pressure would drop. I decided to pull the tank and it was full of rust and crud. I vacuumed it out with a wet or dry vacuum cleaner. I decided to install new pump since it was a lot of work to remove the tank and drain it. I bought the pump at PepBoys. Cost was about $50.00. That fixed the problem. You can run a separate hot wire back to the pump from the battery. There should be an electrical connector outside the tank that you can separate and feed voltage to the pump. Hal
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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