Lock Cylinder for '78-96 Bronco tailgate
https://www.npdlink.com/product/lock-cylinder-and-keys-tailgate/207568/80870The parts are shown in factory order:
E-ring
Spacer
Spring washer
Paddle
Flat washer
Extension
Hairpin
Lock Cylinder
The switch assembly (permanently attached to the t/g wiring harness) fits around the extension in the insets.
TSB 99-24-02 Service PN: F6TZ-9821984-AA
I usually keep spare lock cylinders, so if you can't find one locally, e-mail me thru my profile here. As of 7/18, I have 8 with keys & 1 without.
SEE THE NEXT SEVERAL PICS...