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Fuel Pump Connector - Testing Question

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Old 08-02-2011, 10:02 PM
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Question Fuel Pump Connector - Testing Question

My 2002 Dodge Caravan SE is having Fuel Gauge issues. At the moment the needle is stuck on Empty. I've already performed a diagnostic (hold down Trip button) and the needle passed moving to all proper gauge points.

I looked under the car for the fuel tank and removed the fuel pump connector. I placed a wire in pin #3 (blue-white connection) and attached the other end to the bottom of the car (ground the wire?):



When i turn the ignition key to ON (didnt start car just ON) the fuel gauge remains on E.

Just to be clear am i "grounding" the pin correctly and should i be grounding pin #3 to test the fuel level sensor or is it a different pin?

From this test alone the forum post i was following says if the fuel gauge does not jump to full after grounding then the problem is likely elsewhere and not the Fuel Pump Module.

I just want to make sure I'm performing this test correctly before assuming the problem is elsewhere.

Thanks
 
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Old 08-03-2011, 12:11 AM
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FUEL PUMP MODULE - LT. GRAY 4 WAY CAV CIRCUIT FUNCTION
1 Z201 16BK/OR (GAS) GROUND
2 Z201 18BK/OR (RHD/DIESEL) GROUND
2 Z201 20BK/DB (LHD/DIESEL) (GAS) GROUND
3 N4 18DB/WT FUEL LEVEL SENSOR SIGNAL
4 N1 16DB/OR (GAS) FUEL PUMP RELAY OUTPUT

Hope this helps a little.
 
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Old 08-03-2011, 02:32 AM
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Actually it does. Thanks so much.
 



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