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You can test current draw (or just run the pump) by connecting your meter (or a jumper) between Fuse 1 output (terminal closest to you) and Fuse 11, the prepump fuse—with Fuse 11 removed.
1) Connecting from Fuse 1 to the Fuse 11 input (closest terminal) leads directly to the main pump. This point is exactly where the fuel relay sends the voltage.
2) Connecting from Fuse 1 to the Fuse 11 output (terminal farthest away) will run or test the tank pump.
With Fuse 11 installed, the connection in #1 above will run both pumps, just as the relay does.
I have a jumper made up that plugs into the lighter socket, with a flat male terminal on the end to fit either blade fuse terminal when the the fuse removed.
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Bruce Young '93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.
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