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Click on image for the lowdown. 
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| | | Forums66 Topics128,035 Posts1,055,441 Members48,422 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jan 2008 Posts: 159 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 159 | Originally one key fit all locks on AD trucks.
Your glovebox lock may not work because your key is worn and the lock has had little use.
The ignition lock gets plenty of use so the pins in it wear down at about the same rate as the key wears that is not correct the pins are a hard metal so they will not wear the keys are a softer metal so they will wear. it is easier to replace a key then it is to replace the pins( I am a certified locksmith that does not practice any more. So the worn down key keeps working it. But it's not going to go into the right position on that un-worn glovebox lock.
1938 Gmc 1/2 ton
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