Questions & Answers
Is this gauge #640768 a black or green bezel? It’s hard to tell in the picture.
Willys Jeep Parts Tech:
These are black.
These are black.
Hello, Does this fuel gauge work properly with the part # 640771? Also regarding ohm?
Willys Jeep Parts Tech:
Yes, those two are meant to work together.
Yes, those two are meant to work together.
Hello, Does this fuel gauge work properly with the part # 640694 ?
Willys Jeep Parts Tech:
Yes, that is correct.
Yes, that is correct.
In my 1993, M38A1 12v conversion I have installed the 640694 sending unit and the this 640768 12v gauge. When the ignition is on it registers correctly, however, when I begin to start the engine the gauge floats back to empty. I notice the movement as soon as the key starts the turn to start even before the starter is engaged. Any idea?
Willys Jeep Parts Tech:
I would check your ground wires on this and connections in general. Also maybe take a ohms reader to your sending unit.
I would check your ground wires on this and connections in general. Also maybe take a ohms reader to your sending unit.
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