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No foot brake confirmation from EVO ONE or RF antenna when programming RF642W step 4

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No foot brake confirmation from EVO ONE or RF antenna when performing step 4 programming RF642W on Hyundai Elantra 2009. Tested foot brake output at 0.02 volts and tapped in to positive foot brake per instructions. Im thinking voltage from car is too low and EVO won't register activated foot brake and this is preventing me from completing programming step 4.
closed with the note: Was tapped into wrong wire (correct wire is different than shown on fortin guide and wirecolor.com)
asked Oct 26, 2019 in Hyundai by James Ryder (160 points)
closed Oct 26, 2019 by James Ryder

1 Answer

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brake is 12V when pressed, 0v when released. Ignition needs to be on to test brake signal on most cars.
answered Oct 26, 2019 by Robert T (300,020 points)

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