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  • 8 months later...

I am trying to find a vacuum diagram for a 70 sedan de ville project car need to know what goes where if you can help write me Thanks

Hi I have a 1970 that I am working on if you will contract me I may be able to help you if you have not already got help royalarch at live have fun I am

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This is confusing, is this the same person?

I may have this info in an old Chiltons manual

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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I looked my Chiltons only goes back to 1971 and it didn't have any vacuum hose routing.

But see this link there is a diagram here, not sure if this helps

http://www.justanswer.com/classic-cars/1txfr-find-vacuum-diagram-1970-cadillac-deville.html

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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