Fuel sender voltage

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Old Apr 4, 2006 | 07:34 PM
  #1  
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From: Kansas City
Default Fuel sender voltage

My fuel gauge is stuck on E. I unclipped the connector at the sending unit, jumpered the wires, and the gauge does slowly rise. I take it the gauge is functioning.

Here's the problem: when I probe both wires with the ignition ON, I only get 6 volts. I think I should be reading battery voltage. I tested the ground wire, (G511) it's okay. I checked the #1 10A fuse, it's okay.

Is the only thing left to check the continuity of the yel/wh wire? I doubt the yel/wh wire has a break, because if there was a break in that wire, I don't think I'd be reading any voltage. I assume it's a problem that I'm only reading 6 volts. Any suggestions why I'm not reading battery voltage?
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Old Apr 5, 2006 | 10:32 AM
  #2  
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Default Re: Fuel sender voltage (Batoutahell)

Anybody?
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Old Apr 5, 2006 | 10:44 AM
  #3  
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From: I told you to wait in the truck in Texas, United States
Default Re: Fuel sender voltage (Batoutahell)

Could also be bad ground..
Here are the pages from the manual:

After you click on the imagine ,click again for full size:


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Old Apr 5, 2006 | 12:52 PM
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Default Re: Fuel sender voltage (88DXCRX)

Thanks for the images. I did test the ground by running my voltmeter lead straight to the G551 ground bolt located next to the hatch latch. I'm still getting only 6V. Is there a resistor somewhere in the circuit? I guess I'll search for the ecu pinout for the yel/wh wire and check for a break.
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