2003 fiat ducato cruise control problem

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2003 fiat ducato cruise control problem

cemmy074

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i have 2003 fiat ducato 2.8jtd motorhome and i have problem with AFTERMARKET cruise control. 1st problem seller give me a direction and he asked me to connect with plug but behind plug it has only 2 cable was out and he said connect with ecu which we done ,, but when i put cruise it is not engage and no cruise light is up,,
yes mechanic changed brake switch with 4 pin one , we connect blue and blue/green cable together , still no luck ,,
gew days ago my gear change was stiff , i used some wd40 on gear linkage and it is much better now and when i turn on the cruise it light up but when i turn on and off the car it disappeared again still no cruise light , i have no multiscan but when i use aftermarket diagnostic machine it has no fault, and now i confused
should i change break switch again or more focus with clutch sensor ,,i need an idea ,, thank you
 
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