fuel sender value range ??

[Stolen76]

does anyone know the ohm value of the fuel sender ?

I just need to know empty and full value.

ThaNKS !

[joe]

73 empty, 10 full

[Stolen76]

thanks Joe !

[Erix Jeep]

My Chilton's calls for 110 full, 55 half, and 1 Ohm when empty! Wonder if that is because of the year/model Joe?

[joe]

Eric, I'm more inclined to believe it's a Chilton/Haynes thing rather than model year.
The specs I gave above were from a 76 factory TSM and even back to 73 they're the same. In the later years though the GW's used a different gauge/sender that basically works backasswards of the earlier ones. A 1990 fuel sender ohms reading would be 79 full and 5 empty.
Childrens and Haynes aren't exactly famous for accuracy...one specific years factory TSM is twice as thick as a C/H manual is that covers 20 years or so :(

[Stolen76]

:cool: that's why I posted here ! I've got the Haynes book, but try to only use them for general info.

[Erix Jeep]

I kneel humbly corrected!~

Joe, I agree the TSM would be much more accurate, I just hadn't heard that the Haynes was off in this spec, so thank you VERY much! (I am actually working on a project closely related to this issue!)

I wonder if it would be possible to use the earlier year sending unit in a later vehicle? Course, you would have to change the gauge too,,,, hmmmmmmmmm oh well.

Seriously tho, I was only trying to offer the best info that I had! :D :D

[joe]

<blockquote>quote:</font><hr>Originally posted by Erix Jeep:
I just hadn't heard that the Haynes was off in this spec,<hr></blockquote>

Eric, some of C/H's specs are good...some not. Granted major changes in these rigs didn't happen often but they did change in minor ways from year to year.
The C/H manuals just cover too many years in one book so they they miss a lot of yearly changes and some of the specs are just plain wrong. If they fully covered the years they say they do the book would be at least foot thick. It's not just the Jeep editions, I've found major errors in the Toyo LC editions, Chev editions too. It can get pretty frustrating(and time consuming) setting something up to incorrect specs :(
The C/H books are better than nothing but shop manuals are one of those 'ya get what ya pay for' things and ya don't get much for $15. I really do try to instill in folks if you plan on keeping your rig for awhile the factory TSM is the only way to go. Most TSM's can be found as originals or repops for anywhere between $30-$100 depending on year/condition/vendor etc. The later ones are generally more expensive because they're much larger than the early ones because of all the electrical doodads on the GW's. Whatever you pay for a TSM, it will pay for itself with usually just one hour of shop time saved on your first repair.
I don't know about switching to "later" gauges though...?
As it's been said before FSJ gauges are basically for "entertainment only" and not known for accuracy and the 80 up seem to be worse than the 79 and back :(

[Don S]

Stolen 76......For what its worth..in the Old days(my AMC 66 232 Rambler) Used a resister on the dash gauges panel if you chaged the value of it it would change the reading of the gauges.......ds..

...PS what are the 16"-5 on 5" wheels???