The larger surface-mounted C441 (WPT454) was used until '93; in '94, it switched to the smaller round inline connector. (Pump side: WPT330/WPT335; Truck side: WPT111/WPT807/WPT818 )
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For full instructions on the fuel pump access hole, see this:
See also:
MotorCraft 2016 Wiring Pigtail Guide 
![fuelpumpconnectors.jpg The larger surface-mounted C441 (WPT454) was used until '93; in '94, it switched to the smaller round inline connector. (Pump side: WPT330/WPT335; Truck side: WPT111/WPT807/WPT818 )
[url=https://www.supermotors.net/registry/media/744437][img]https://www.supermotors.net/getfile/744437/thumbnail/fuellevelwiring.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/862972][img]https://www.supermotors.net/getfile/862972/thumbnail/74conn.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/744424][img]https://www.supermotors.net/getfile/744424/thumbnail/fpconnectors.jpg[/img][/url]
For full instructions on the fuel pump access hole, see this:
[url=https://www.supermotors.net/registry/2742/33276-4][img]https://www.supermotors.net/getfile/766383/thumbnail/03check.jpg[/img][/url]
See also:
[url=https://www.fordparts.com/FileUploads/CMSFiles/18376%20Pigtail%20Book%202016.pdf]MotorCraft 2016 Wiring Pigtail Guide[/url]](https://www.supermotors.net/getfile/766463/fullsize/fuelpumpconnectors.jpg)