C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Fuel pump problems

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Old Mar 19, 2016 | 09:50 PM
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Default Fuel pump problems

Ok so I pulled the fuel pump from the 84 today and am confused on the wires running to the pump it's broken at what I think is a resistor in the tank can this be bypassed or what is it for
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Old Mar 19, 2016 | 10:08 PM
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Originally Posted by mikewilson88
Ok so I pulled the fuel pump from the 84 today and am confused on the wires running to the pump it's broken at what I think is a resistor in the tank can this be bypassed or what is it for
If you have the tank unit/pump removed post a snapshot of it for an explanation. Mention the wire colors that are related also. That will certainly help. The level sensor is a rheostat of sorts.

Is it on this tank unit?

http://www.ebay.com/itm/like/181928579717?lpid=82&chn=ps&ul_noapp=true

Last edited by WVZR-1; Mar 19, 2016 at 10:11 PM.
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Old Mar 20, 2016 | 12:03 AM
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This is a close up of what im not sure what it is<br/>





Its in prety bad shape i know but i am trying to salvage it
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Old Mar 20, 2016 | 08:55 AM
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I've seen this mentioned in '82 cross-fires also and it's function disputed. It is NOT included with any of the service tank units. Here's a link to an '82 discussion.

https://www.corvetteforum.com/forums...982-vette.html

I quickly glanced at an '84 FSM and I didn't see reference to it even in am image of the tank unit. I don't doubt the comments regarding "suppression" BUT being in line I'd think it responds more like the filter in a tach lead. I may read more.

Posting the snapshot was good, there's many '84 owners that will respond likely. I'd be inclined to think that most will mention "elimination" of it. Do without!

Another '82 conversation:

https://www.corvetteforum.com/forums...crossfire.html

*** I looked in the actual "wiring diagrams by circuit #" in the '84 FSM and it shows nothing beyond the 3 wire connector to the pump/sender itself.

Last edited by WVZR-1; Mar 20, 2016 at 09:57 AM.
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Old Mar 20, 2016 | 11:25 AM
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Thanks for the links they helped a lot from what I understand it is not needed to run its just to eliminate radio interference so I believe I can just deleat it
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Old Mar 20, 2016 | 12:12 PM
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Originally Posted by mikewilson88
Thanks for the links they helped a lot from what I understand it is not needed to run its just to eliminate radio interference so I believe I can just deleat it
Yep - I'd think the "delete" option certainly applies.
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