Re: [Chrysler300] fuel tank sending unit

[Paul Holmgren <paulholm@xxxxxxxxxxxxx>]

David Zakarian wrote:

> I know I'm doing something stupid, I just don't seem to figure out what, so I'll ask and give y'all a good laugh to start the week-end.

> The problem is the send unit will not send the message to the gas gauge on the instrument panel that the tank is full.  It reads empty regardless of the amount of gas in the tank.

> This is what I know:

> The tank sending unit works.  I've run a jumper from the line to the tank to the sending unit and as I manually move the float up and down(while grounded) the gas gauge goes up and down.  This also tells me that the gas gauge works.

> With the tank unit installed in the tank I have run jumpers from the tank to the frame and from the flange that holds the unit in the tank to the frame.  So I think I've grounded everything.  the tank unit still reads empty on the gas gauge.  Works the same with or without the jumpers on the tank and the keeper flange or the sending unit.

> What am I missing, that is besides my sanity?  Yes there is gas in the tank.

> Thanks for your help and your welcome for the laugh

> Zak

maybe your tank ground is in the wrong place,  try from the metal fuel 
tube exiting the sending unit to frame ground,  There probabley should 
be a metal strap that spans the gap of the sending unit to steel fuel 
line running up to the motor where you currently have the short piece of 
rubber tubing. I know this is the way they did it for the majoritey of 
the 60's and 70's mopars, IF they rust off( and it happens) the guage 
goes dead right now, because the factory grounding method is then broke.


-- 
Paul Holmgren
2 57 300-C's in Indy
Hoosier Corps L#6


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