B-pillar sound padding commonly absorbs water and causes wiring to corrode away to a green slime.
This is a '93 Bronco with the rare courtesy light switch. The shoulder belt reel in F-series is usually much higher above the floor.
If the door strike bolt's nut plate falls, it will be inside the B-pillar behind this bag.
![](https://www.supermotors.net/getfile/985444/thumbnail/doorsw93.jpg)
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![](https://www.supermotors.net/getfile/959062/thumbnail/23bpillardrain.jpg)
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![](https://www.supermotors.net/getfile/968674/thumbnail/29bpillardrain.jpg)
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