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So I just became the proud owner of a gen 2 zx10r. Picked up Monday, 04/24. I got it for a great deal because the fuel pump was bad. So I just got my new pump in today, and I hook it up to the battery directly, it works with no issues. However, when I install it in the actual sending unit, nothing. I did a voltage test on the relay, and when I turn the IGN to "on", it shows 12v for 4 seconds, then drops to 0v just like it should according to the service manual. I've verified that voltage is reach the relay and positive wires on the housing. I cannot for the life of me figure out what the problem is!!! I know the relay is good, and I know the pump is good, so the only explanation is the sending unit itself. I believe the issue is with the little metal cylinder on the top of the sending unit that connects to the relay wire. I don't know what it is, but I have a hunch it's a resistor. Do I need to replace the whole sending unit?
Thanks in advance.
Thanks in advance.