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Connecting wires on fuel gauge
#1410950 Sat May 22 2021 10:06 PM
Joined: Apr 2009
Posts: 13
G
'Bolter
I am hooking up the fuel gauge on my 1948 half ton. 2 terminals on the fuel gauge. I put the sending unit wire on the thicker shorter terminal. I put the wire from the ignition switch on the longer thinner terminal, this terminal is near the driver's door. Do I have the wires landed correctly?

The shop manual is vague on landing the wires. It says put the sending unit wire on the larger terminal. I don't know if thicker or longer is larger. It also says ignition switch wire on the left terminal on the back of the dash. It is not clear if this is the left when you are in the drivers seat or the left when you are looking at the terminals from under the dash.

Re: Connecting wires on fuel gauge
gallatin #1410955 Sat May 22 2021 10:34 PM
Joined: Dec 2013
Posts: 1,013
'Bolter
Scott Voss colorized this diagram of the back of the gauges. I believe it's for a 1949 3600. I found it helpful when I was rewiring my '47.

Attached Files
Dash Wiring.jpg (424.68 KB, 107 downloads)

Andy

His: 1947 Chevrolet 3104 [flic.kr]
Hers: 2008 American Saddlebred [flic.kr]

"I proudly Stand for the Flag and Kneel for the Cross" Unknown
Re: Connecting wires on fuel gauge
gallatin #1410975 Sun May 23 2021 01:39 AM
Joined: May 2005
Posts: 8,336
B
Sir Searchalot
A shape/feature that is round, like a threaded terminal stud, is referred to in the electro-mechanical/automotive world as a diameter. Likely they meant, in engineering terms, "larger diameter". Thicker is used for thickness. The manuals are written by technical engineering people of the day. If they meant longer, they would have said longer.
It seems you have it wired correctly according to what you say the manual says.
I see you are an Engineer. Me too.


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Re: Connecting wires on fuel gauge
HandyAndy #1410986 Sun May 23 2021 03:15 AM
Joined: Apr 2009
Posts: 13
G
'Bolter
Andy, thanks much! This is useful info!! Sending unit wire to the thicker shorter terminal.


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