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| | | | Joined: Apr 2009 Posts: 232 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 232 | on a 54 that has been converted to 12v which terminal on the fuel guage gets the shunt? the one with the red tab or the other one. thanks. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
Wes,
The resistor/reducer goes between the positive/power/source lead and its post on the gauge.
Can you still read your tag? It should tell you which lead goes to that post (source or sender lead).
In 1954, the post behind E (Empty) is the source/power post.
Last edited by tclederman; 04/04/2010 10:44 PM. Reason: changed "sender" to "gauge" on the first line
| | | | | Joined: Mar 2007 Posts: 4,215 Moderator | | Moderator Joined: Mar 2007 Posts: 4,215 | I should change mine? It's near the fuel tank but not hooked up to power yet. | | | | | Joined: Dec 2006 Posts: 1,464 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 1,464 | I should change mine? It's near the fuel tank but not hooked up to power yet. Wrong place! The purpose of the resistor is to reduce the 12V power to the guage down to about 6V so it has to be on the battery side of the guage, not the sender side. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Sorry guys, my meds got me. I changed "sender" to "gauge" on the first line above.
" . . . between the positive/source lead to its post on the GAUGE"
That would be the post behind "E" Empty on a 54/55.
I can't stop the drugs for a few days, so I will stop the posting.
| | | | | Joined: Apr 2009 Posts: 232 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 232 | there is a brown wire that goes to the sender and a red wire that I assumed was the power to the guage.I hooked the resistor to the back of the guage where there was a red tag but that was the full side of the guage. So I guess I have them backwards on the guage? the red wire goes to the E side and the brown to the sending unit goes to the full side? | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | The resistor goes inline with the lead that supplies the power. In other words you disconnect the power lead, connect it to one side of the resistor and connect the other end of the resistor to the gauge. | | | | | Joined: Apr 2009 Posts: 232 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 232 | yea OK I get that but which terminal on the back of the guage gets the power The one lined up with the empty or the full? thanks | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | | | | Joined: Aug 2000 Posts: 346 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 346 | Previous post w/picture of connections. '54 fuel gauge picture.
'38 Chevy 1-1/2 ton
'49 Chevy 1/2 ton
'54 Chevy 6400 2 ton
'55.2 GMC 3/4 ton
'56 GMC 1-ton
No Room Left in Shop
| | | | | Joined: Mar 2007 Posts: 4,215 Moderator | | Moderator Joined: Mar 2007 Posts: 4,215 | My gauge has a small piece of a red plastic tag on it, most of it is missing. Thanks for that photo, OlBlue. | | |
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