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Old 01-31-2010, 09:20 PM
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fuel pump wiring

wondering why the fuel pump hot wire flashes instead of a even current. and were the fuel pump relay is or were its located... the vehicle is a 1988 ford f-250 with a 460 automatic. its not fuel injected its run with a holley performer carb. dual tank and the problem is coming from the front tank. nothing else is modified other than the carb. any information or websites to find more about this problem would be great thanks.

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Old 02-01-2010, 06:21 PM
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Is it possible for you to disconnect the pump and put a volt meter(test lights can blink depending on connectivity to wire) on the connector with truck in the start position to see if the voltage fluctuates without being hooked up to the pump? Maybe the pump is failing..
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Old 02-01-2010, 10:55 PM
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What color is the wire your checking? PK/BK is usually the color wire at the pump. Are you accidently testing the fuel level sender wire?
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