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88 Sending Unit Questions

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Old Jul 13, 2007 | 05:16 PM
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Default 88 Fuel Pump Sending Unit Questions

Hey folks,

1. Anybody know what the function is of the white rectangular piece in the fuel pump sending unit harness that I'm holding in the picture?

2. Where can I get a sending unit?






Thanks!

Last edited by FrankCandid; Jul 14, 2007 at 12:46 PM.
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Old Jul 13, 2007 | 06:00 PM
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You can get the whole pump/sock, etc @ napa or chris @ superior chevy about $90
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Old Jul 13, 2007 | 06:19 PM
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Thanks for the info but I'm looking for the Sending Unit to which the pump attaches - the thing in the picture with the filler neck, the float, wiring harness, etc.

It's AC Delco part #25093414 but it's discontinued here in the Toronto Area.


Last edited by FrankCandid; Jul 13, 2007 at 06:40 PM.
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Old Jul 14, 2007 | 05:37 PM
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Is there anybody out there who knows what the purpose of the rectangular piece in the photo of the sending unit is?

I want to rewire my fuel pump and sending unit and I'd like to know if that piece has an electrical purpose or simply holds the wires in place.



Thanks.
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Old Jul 14, 2007 | 05:56 PM
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What year is your car? This is vital info for any technical query. I'm looking at a complete drop-in sending unit, fuel pump and etc. assembly that I have on hand for my '95. It has nothing that looks like the part in question in your picture.
I'm doubting that the sending units are available new anymore from GM, as they've discontinued so much for the C4s. Perhaps someone's offering them in the aftermarket but if so, I haven't a clue as to who that might be. If so, they're likely NOS so you'd better grab one while you can.
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Old Jul 14, 2007 | 08:10 PM
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88' fuel level sending units are different than all other C4 years. I have been trying to find one for months with no luck. I think I'm going to have to find a good used unit.
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Old Jul 15, 2007 | 12:43 AM
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Originally Posted by Corvette Kid
What year is your car?
88 - as is noted in the post heading.

Thanks for the reply, though.
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Old Jul 15, 2007 | 01:41 AM
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Originally Posted by Corvette40
88' fuel level sending units are different than all other C4 years. I have been trying to find one for months with no luck. I think I'm going to have to find a good used unit.
http://www.tabercorvetteparts.com/

I bought a bunch of stuff from them in the past..you can try them if you cant find a good unit for your car.Never had any issues with them or their parts.

Btw,to the original poster,I dont know what the white block is for..I assumed it was to hold the wires together in there.
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Old Jul 15, 2007 | 08:57 AM
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No worries; I was just curious.

I was thinking of getting rid of it to make the rewiring easier but I decided it best to leave it in tact just in case it does have some electrical purpose.


As for where to get the sending unit - GOOGLE to the rescue:

Pacific Corvette seems to list them for $460 - not bad given that I was told they can go for $800 or more.

Thanks for your help, folks!
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