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fuel sending units [message #146342]

Wed, 12 October 2011 19:50

skip2

Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...

Karma: 3

Senior Member

Any one have the ohmn specs for the fuel sending units other than open is full and short to ground is empty. The dash has been changed and i'm not sure the gauge is compatible so I want to build a breakout box with resistors to simulate a sending unit to check the wiring from the tank forward. Didn't see them in the GMC service manual.
Thanks for any input

74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd

[Updated on: Wed, 12 October 2011 19:51]

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Re: [GMCnet] fuel sending units [message #146343 is a reply to message #146342]

Wed, 12 October 2011 19:56

Ken Henderson

Messages: 8726
Registered: March 2004
Location: Americus, GA

Karma: 9

Senior Member

Virtually all GM fuel sensors are 90 Ohms.

Ken H.

On Wed, Oct 12, 2011 at 8:50 PM, Skip Hartline <skiphartline@aol.com> wrote:

>
>
> Any one have the ohmn specs for the fuel sending units other than open is
> full and short to ground is empty. The dash has been changed and i'm not
> sure the gauge is compatible so I want to build a breakout box with
> resistors to simulate a sending unit to check the wiring from the tank
> forward
> Thanks for any input
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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Re: [GMCnet] fuel sending units [message #146344 is a reply to message #146342]

Wed, 12 October 2011 19:57

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

Zero to 90 ohms

Emery Stora

On Oct 12, 2011, at 6:50 PM, Skip Hartline <skiphartline@aol.com> wrote:

>
>
> Any one have the ohmn specs for the fuel sending units other than
> open is full and short to ground is empty. The dash has been changed
> and i'm not sure the gauge is compatible so I want to build a
> breakout box with resistors to simulate a sending unit to check the
> wiring from the tank forward
> Thanks for any input
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Re: [GMCnet] fuel sending units [message #146346 is a reply to message #146344]

Wed, 12 October 2011 20:01

skip2

Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...

Karma: 3

Senior Member

thank you very much

74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd

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