Unknown lock

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Shadowm92

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Jul 7, 2022
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Location
Virginia
First Name
Robert
Truck Year
1987
Truck Model
K10
Engine Size
350
Have an 87 k10 with a lock on the cab on the driver side. Niether the lock or ignition key fit. Curious as to what its for or if its something a previous owner added
 

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Goldie Driver

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Location
Houston, Texas
First Name
Britt
Truck Year
1980
Truck Model
GMC K1500 Suburban
Engine Size
350
The only thing I saw close on a search was perhaps an antique alarm system. I have seen a few of those capped locks but not recently.

Back to the top for a bit, though.:)
 

75gmck25

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Northern Virginia
First Name
Bruce
Truck Year
1975
Truck Model
K25 Camper Special TH350 NP203
Engine Size
5.7
Older car alarms (before key fobs) used to have a keyed on/off switch. Corvettes even had an optional factory alarm that put the key switch on the front left fender. However, I’ve never seen a GM one where they made the switch so visible on the drivers door.
 
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Keith Seymore

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Jul 13, 2015
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Location
Motor City
First Name
Keith Seymore
Truck Year
1987
Truck Model
R10
Engine Size
4.3L
Definitely absolutely positively not factory.

Aftermarket car alarm.

K
 

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