Quote:
Originally Posted by wheee!
I grounded the parking brake sensor permanently. The speed sensor is broken via relay ( and no light on the switch in this mode) and the rear camera is activated by the other direction of the switch (with light activation). I am using a standard bosch relay for the speed break circuit (76 - 76a)
Let me know if you have a solution to the light not coming on when the relay is activated.
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Are you using a SPDT relay? The one with 5 pins? It should be wired as displayed below. When the relay has no juice (heated seat switch in center position) the speed sensor wire is connected as normal pins 30 to 87a, then when 12V is applied to 85 the relay is activated and the 30 to 87a circuit is broken.
