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Old 3rd July 2020, 17:13   #102
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Quote:
Originally Posted by goltho View Post
... I used the master switch C0749-5 output ... Alas, instead of the IPK light coming on and cruise working as before, when I pressed the set/accelerate paddle, it flashed once and the horn sounded.
What you effectively did there Dougie was to connect the cruise ECU C0239-1 and C0239-8 pins together. I wonder if placing a diode between them would solve the problem?

You could use C0749-1 instead. That's the supply to the master switch but C0749-1 will be live only when the engine is running which is effectively the experimental state you have at the moment. However this might not work either because you'd then have C0895-8 and C0239-1 connected together!

Simon
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