The Ford Barn

53_mercLuke · 01-29-2022, 05:20 PM

Hey guys,

My fuel gauge has never been correct. I had the original sender in it and changed it with a new one. The new one though had the wire that goes to the gauge and to a ground (I think electrical isn’t my strong suit) I hooked up the new sender and it varies on full and half full and so on, in the morning it will say full then when I go home from work it will say half full but on the way home it will jump back to full. I disconnected the ground wire to chassis ground, to make it a one wire sender like the original, and it varies also. Any ideas on what could be going on? It’s a 53 mercury I have. Again electrical is not my strongest

Thanks in advance

petehoovie · 01-29-2022, 05:35 PM

Hopefully, you kept the original (King-Seeley) sending unit? The "new ones" are not compatible with the gauge in your Merc...

53_mercLuke · 01-29-2022, 05:47 PM

I don’t think I do have it but that one was way off also, when I had a full tank it only went to half a tank, it never went to full

19Fordy · 01-29-2022, 06:12 PM

Sponsored Links (Register now to hide all advertisements)

Luke: Read everything in this thread including the links.
https://www.fordbarn.com/forum/showt...ht=king+seally

01-29-2022, 05:20 PM	#1
53_mercLuke Member Join Date: May 2016 Location: Houston TX Posts: 79	Fuel gauge isn’t correct Hey guys, My fuel gauge has never been correct. I had the original sender in it and changed it with a new one. The new one though had the wire that goes to the gauge and to a ground (I think electrical isn’t my strong suit) I hooked up the new sender and it varies on full and half full and so on, in the morning it will say full then when I go home from work it will say half full but on the way home it will jump back to full. I disconnected the ground wire to chassis ground, to make it a one wire sender like the original, and it varies also. Any ideas on what could be going on? It’s a 53 mercury I have. Again electrical is not my strongest Thanks in advance

01-29-2022, 05:35 PM	#2
petehoovie Senior Member Join Date: May 2015 Posts: 8,540	Re: Fuel gauge isn’t correct Hopefully, you kept the original (King-Seeley) sending unit? The "new ones" are not compatible with the gauge in your Merc... __________________ The only thing nice about being imperfect is the joy it brings to others.... *"Silver rings, your butt! Them's washers!"* "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0

01-29-2022, 05:47 PM	#3
53_mercLuke Member Join Date: May 2016 Location: Houston TX Posts: 79	Re: Fuel gauge isn’t correct I don’t think I do have it but that one was way off also, when I had a full tank it only went to half a tank, it never went to full

01-29-2022, 06:12 PM	#4
19Fordy Senior Member Join Date: May 2010 Location: Coral Springs FL Posts: 11,027	Re: Fuel gauge isn’t correct Sponsored Links (Register now to hide all advertisements) Luke: Read everything in this thread including the links. https://www.fordbarn.com/forum/showt...ht=king+seally