diavia a/c

[mglb]

my R129 sl 300 has a diavia after market a/c system that has not worked since i got the car last december it is now at the local diavia agent but fault diagnosis has brought up an electrical fault so work has stopped untill they can locate a drawing for the R129 can anyone help thanks mark

 

[television]

What do they want the drawing of

 

[mglb]

thanks for looking malcolm they want a circuit diagram for the diavia a/c relating to the R129 mark