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Does anyone know what the ohm value is for the fuel sending unit

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Does anyone know what the ohm value is for the fuel sending unit

Old 12-06-2011, 11:39 AM
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Does anyone know what the ohm value is for the fuel sending unit

For a 1989 W250 w/360? I'm having a hell of a time finding the fuel module so I will probably R&R the whole thing. I was going to replace the sender unit in the tank, but I can't find anything, online or local. I guess I can clean it up and pray that it works. Does anyone know the ohm value for the sending unit for this year and model? Thanks!!!
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Old 12-06-2011, 01:15 PM
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Chrysler and ford use the same values,I know a few people who just used a ford sending unit and adapted it to fit. Here's a link that might help:http://www.fordification.com/tech/fu...ding-units.htm

good luck,john
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Old 12-06-2011, 02:15 PM
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Originally Posted by John Van View Post
Chrysler and ford use the same values,I know a few people who just used a ford sending unit and adapted it to fit. Here's a link that might help:http://www.fordification.com/tech/fu...ding-units.htm

good luck,john
Thanks!!! I am confused, on the chart:


Ohms/Resistance Popular Models
(Empty/Full)

0-90 Ohms _________________most GM cars, 1965-up
73-10 Ohms ________________pre-1989 Fords & most Chryslers
240-33.5 Ohms______________Industry standard, works on many popular cars
0-30 Ohms__________________most pre-1965 GM cars
16-158 Ohms________________most '89-up Fords



So should I assume a 240-33.5ohm for the 1989 w250 sending unit? Thanks!

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Old 12-06-2011, 02:38 PM
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Originally Posted by pityocamptes View Post
Thanks!!! I am confused, on the chart:


Ohms/Resistance Popular Models
(Empty/Full)


73-10 Ohms ________________pre-1989 Fords & most Chryslers
240-33.5 Ohms______________Industry standard, works on many popular cars
16-158 Ohms________________most '89-up Fords



So should I assume a 240-33.5ohm for the 1989 w250 sending unit? Thanks!
No, the 73-10 ohms = most chryslers. Also make sure you have a good ground!

john
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Old 12-06-2011, 04:22 PM
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Carb= 5-8ohms full, 60-75ohms empty.
F.I.= 120ohms full, 10ohms empty.
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Old 12-06-2011, 04:42 PM
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Originally Posted by Coronet 500 View Post
Carb= 5-8ohms full, 60-75ohms empty.
F.I.= 120ohms full, 10ohms empty.

Thanks! I'm sort of in the middle with TBI... so would it be the FI specs?
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Old 12-06-2011, 04:49 PM
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TBI= F.I. Yes. These numbers are from my manual.
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Old 12-06-2011, 04:51 PM
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Originally Posted by Coronet 500 View Post
TBI= F.I. Yes. These numbers are from my manual.

Thank you! Hopefully I can find an aftermarket/universal sending unit that will work. Any ideas or sources? Thanks again!
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Old 12-07-2011, 12:50 PM
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Originally Posted by Coronet 500 View Post
Carb= 5-8ohms full, 60-75ohms empty.
F.I.= 120ohms full, 10ohms empty.
Coronet, Thanks for the info!! I still can't get use to the new stuff!!

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Old 12-07-2011, 02:51 PM
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You Sir, are very welcome. Like I tell my boys, if you can read you can fix just about anything.
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Old 02-03-2018, 05:12 PM
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Carb

So I saw your post, so in my case I have a carb, so what does that mean for me if the gauge is only at 10 ohms full but for my carb it needs to go to 5-8?
Originally Posted by Coronet 500 View Post
Carb= 5-8ohms full, 60-75ohms empty.
F.I.= 120ohms full, 10ohms empty.
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