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Posted by: mmascari Dec 9 2021, 11:53 AM

Hello, looking for assistance installing a VDO fuel gauge. I am hoping someone has installed one and knows what wires connect to what terminals. Attached photo. There are two terminals and I assume these connect to the fuel sender. There is also a red/white/black set of wires. Any assistance would be great.


Attached image(s)

Posted by: mmascari Dec 9 2021, 12:07 PM

I also have this diagram that shows stock wiring to stock fuel gauge is
Ground(Brown)
Green
2(Red/white stripe)



Attached image(s)

Posted by: Luke M Dec 9 2021, 12:41 PM

S = sensor
- = ground
+ = hot wire

The other 2 posts look to be a light ? Flip the gauge over and take a pic.
Are you sure that the gauge will work with your fuel tank sensor?

I take this is a GT style fuel gauge?

Posted by: mmascari Dec 9 2021, 12:59 PM

QUOTE(Luke M @ Dec 9 2021, 10:41 AM)

Posted by: mmascari Dec 9 2021, 03:15 PM

I found this doing a search, so maybe I need to get the correct gauge:

Posted from LarryM:

here is the info from 2004 for correct gauge

"here is the answer via VDO Support:

Use VDO Part Number 301 020 with the OEM 914 fuel sender; (spec'd for Beetle O.E. sender or VDO 221012 sender): 73 - 10 Ohms, "Fuel"

The reading will be off slightly but will not be noticeable

William M. Reichart
Technical Support
Siemens VDO Automotive Corporation
Service & Special Solutions
Phone: 1-800-265-1818 Ext. 4018

Posted by: 914Sixer Dec 9 2021, 03:38 PM

914 fuel gauge is 0-90 ohms.

Posted by: mmascari Dec 9 2021, 04:36 PM

I was looking at the existing stock wiring to the fuel gauge and it shows
Ground
Green
2 red/white stripe
+

What is the red/white stripe wire?
I assume Green is from the sending unit

Posted by: GregAmy Dec 9 2021, 04:58 PM

Fuel gauge itself has two wires:
Red/White: keyed power
Green: to the sender

The black wire goes to the low fuel lamp

Sender has three wires:
Green: gauge
Brown: ground
Black: low fuel light inside the gauge

Posted by: mmascari Dec 9 2021, 05:02 PM

QUOTE(GregAmy @ Dec 9 2021, 02:58 PM)

Posted by: Luke M Dec 9 2021, 05:37 PM

QUOTE(mmascari @ Dec 9 2021, 04:02 PM)

QUOTE(GregAmy @ Dec 9 2021, 02:58 PM)

Fuel gauge itself has two wires:
Red/White: keyed power
Green: to the sender

The black wire goes to the low fuel lamp

Sender has three wires:
Green: gauge
Brown: ground
Black: low fuel light inside the gauge

Awesome, thanks.

So, the Red/White would go to the + terminal on the gauge, the Green to the S on the gauge and the brown to the - on the gauge?

Posted by: mmascari Dec 9 2021, 05:42 PM

QUOTE(Luke M @ Dec 9 2021, 03:37 PM)

QUOTE(mmascari @ Dec 9 2021, 04:02 PM)

QUOTE(GregAmy @ Dec 9 2021, 02:58 PM)

Fuel gauge itself has two wires:
Red/White: keyed power
Green: to the sender

The black wire goes to the low fuel lamp

Sender has three wires:
Green: gauge
Brown: ground
Black: low fuel light inside the gauge

Awesome, thanks.

So, the Red/White would go to the + terminal on the gauge, the Green to the S on the gauge and the brown to the - on the gauge?

Yup.. Like I posted earlier. What didn't believe me.. lol

Posted by: GregAmy Dec 10 2021, 09:13 AM

https://www.youtube.com/watch?v=zNCrMEOqHpc