Its on the side of the sending unit. I'm trying to post the pic but it don't show up. Yes I do work at a dealer
Document ID# 866246
2002 Chevrolet Chevy C Silverado - 2WD

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Fuel Level Sensor Replacement
Removal Procedure




Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
Disconnect the fuel pump electrical connector (5).
Remove the retaining clip (6) from the fuel level sensor electrical connector.
Disconnect the electrical connector (7) from under the fuel sender cover.
Remove the sensor retaining clip (4).
Squeeze the locking tangs together and remove the fuel level sensor (3).
Installation Procedure




Install the fuel level sensor (3).
Install the sensor retaining clip (4).
Connect the electrical connector (7) to the fuel level sensor.
Connect the retaining clip (6) to the fuel level sensor electrical connector.
Connect the fuel pump electrical connector (5).
Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .

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Document ID# 866246
2002 Chevrolet Chevy C Silverado - 2WD

 

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ttt..can you email the diagram pic to me so I can post it? I'm interested in the diagram.
Thanks.
PM sent