That would be the PMD. Check out pmdcable.com or google it or just pmdcable

Google - Fuel level buffer module

I've never heard of it before. I'll have to do some investigating

x2 never heard of that either,

Great whites link above about a box van etc. If you read it at the last page/end the guy discussing his issues posts back that the buffer module was bad...

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Do they make a 6.5 gas motor or only diesel?? Im wondering if they sent me the wrong sending unit

We've heard of it now. But not before.Did you find anything searching fuel level buffer module.

In my search somebody with a Tahoe posted theirs was velcroed to the glove compartment. I've been in all of my vehicles and there was nothing there.

Let us know what you find. The fuel gauge on my diesel 1995 Tahoe is crazy too.

As soon as I am able I was planning to swap the sending unit.

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6.5 is diesel.

Do you have gas or diesel?

That may be gasoline engine specific.

Yes its diesel just making sure due to looking at a site with different sending units and some just said 6.5 v8 and others said 6.5 diesel

I think the gassers all had fuel pumps with the sending units. though I think some were sold seperately

Yup. All the sending units I was looking at said without fuel pump including the ones that did say gas... So I dont know.. Im going to install the new fuel module with long whip near the bumper and hopefully thatll correct the issue? Cross my fingers..