There are several websites that offer 1989 Cadillac brake line schematics for download.
Here are a few options:
* [Helm, Inc.](https://www.helminc.com/helm/product2.asp?Make=CAD&Model=Cadillac-DeVille&modelYear=1989&itemNo=03089&Category=&u1=&u2=&u3=&u4=&u5=)
* [AllData DIY](https://diy.alldata.com/tsb/General-Motors/Cadillac/Tech-Specs/1989-96)
* [Mitchell 1 DIY](https://diy.mitchell1.com/VehicleRepair/AllVehicles)
* [AutoZone Repair Guides](https://www.autozone.com/diy/repair-guides)
* [Advance Auto Parts Repair Guides](https://www.advanceautoparts.com/repair-guides)
* [Chilton Manuals](https://www.chiltonlibrary.com)
* [Haynes Manuals](https://www.haynes.com)
Repair Manuals - Some auto parts stores and libraries carry hard copies of repair manuals that include brake line schematics.
You may be able to find a manual for your car by checking with your local auto parts store or library.
Dealership Service Department - The service department at a Cadillac dealership might also be able to provide you with a brake line schematic for your car.
There may be a small fee for this service.
