webrest Posted 6July, 2010 Report Share Posted 6July, 2010 Hi all, Still trying to get the cruise control upgrade working in my car. The circuit wiring has been has been checked thoroughly for faults and there are none. Which points to the brain box. All posts on 911 sites suggest that the control box is a known offender but I do not have the knowledge or equipment to check for faults. So. Is there anybody out there that can check for faults? Are there any known repair people that I can be pointed to? Does anyone have one that I could test in my car? This is driving me crazy and I am becoming a man possessed. I must make this work I have come too far not to. I know that I would have been better off installing an after market unit using the Porsche switch but I wanted the original system so now I'm at a point of no return. I hope someone out there can help. R. Dave Link to comment Share on other sites More sharing options...
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