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question on fuel pump link lead

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Old 02-12-2016, 06:10 AM
auburn2's Avatar
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Default question on fuel pump link lead

What is the black rubber "box" on the fuel pump link lead? Is it a radio filter or fuse link or something else? Is it necessary?

I am replacing my fuel pumps. My lead links are not burned up but the insulation is stiff and coming off in one area.

The new delphi pumps I got came with new link leads , but they have no black box. The new links also have the wrong connector but I can repin them into the connector on the ones I have. Not sure of the ramifications of that though as there will be no "black box" if I do that.

Car is a 2001 XKR.
 

Last edited by GGG; 02-12-2016 at 07:02 AM. Reason: typo in thread title
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Old 02-12-2016, 09:27 AM
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Originally Posted by auburn2
What is the black rubber "box" on the fuel pump link lead? Is it a radio filter or fuse link or something else? Is it necessary?

I am replacing my fuel pumps. My lead links are not burned up but the insulation is stiff and coming off in one area.

The new delphi pumps I got came with new link leads , but they have no black box. The new links also have the wrong connector but I can repin them into the connector on the ones I have. Not sure of the ramifications of that though as there will be no "black box" if I do that.

Car is a 2001 XKR.
It is an electrical noise filter. Chances are it will only effect AM radio if not installed.
 
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Old 02-12-2016, 09:32 AM
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Originally Posted by auburn2
What is the black rubber "box" on the fuel pump link lead? Is it a radio filter or fuse link or something else? Is it necessary?

I am replacing my fuel pumps. My lead links are not burned up but the insulation is stiff and coming off in one area.

The new delphi pumps I got came with new link leads , but they have no black box. The new links also have the wrong connector but I can repin them into the connector on the ones I have. Not sure of the ramifications of that though as there will be no "black box" if I do that.
Car is a 2001 XKR.
They are LC Noise Reduction Networks to stop brush noise from being heard in the radio. They are not cheap. If possible, I would retain them and repair the insulation with materials that are fuel resistant.
 
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jamdmyers (02-12-2016)
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