VIN should be drivers side dash look thru winshield to read it.
go to 924.org click enter at botom of pic. then click on 924 registry then click on decode check vin
it should be in the front windshield, at the lowest point, on the drivers side
On Cadillac vehicles from 1970 to 1979, the Vehicle Identification Number (VIN) is typically located on the driver's side dashboard, visible through the windshield. Additionally, you can find the VIN on the driver's side door jamb or on a metal plate attached to the engine block. For more precise identification, it may also be located on the frame near the front of the car. Always refer to the specific model's manual for exact locations.
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If it's the rear wheel drive, then 140 for the VIN Y engine and 180 for the VIN 9 engine (check the eighth digit).
http://northernresource.com/mercedes/107.htm
On a 1940 Cadillac LaSalle, the Vehicle Identification Number (VIN) is typically located on a plate attached to the left side of the dashboard, visible through the windshield. Additionally, the VIN can also be found on the driver's side door post. It's important to check both locations, as the VIN may be stamped on the chassis in some instances.
I have a 1991 cadillac brougham the car is a Hearse the vin#1G6DW54E3MR722246
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