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by Gordon Shumway
Wed Sep 02, 2015 10:21 am
Forum: Diagnostic discussion
Topic: 13 pin trailer signals
Replies: 1
Views: 934

13 pin trailer signals

Does anyone ever messured signals on a 13 pin trailer socket (ISO 11446) I have meassured on a Ford C-MAX and Citroen C4. There is some 5 Volts pulses/signals and when the light on the trailer needs to be lit there is 12 volt. I do not own a automotive scope (I have a 2205 MSO) so I have not access ...