Hello
I've a 78 SLC with cruise control and would like to know, why when I try to fix the selected speed, nothing happen ! Only the acceleration mode works.
Do you think that the problem is on control unit? or in the transducer ?
or in the throttle servo unit ??
Anybody has any techinical drawing about this equipment for a MB 1978 SLC vaccum actuated cruise control ?

I will apreciate any help !
Thanks for your attention !

Mcarboni
78 SLC
Brasil

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1978 - 450 SLC
Marcos Carboni