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[mk7] where do you find a 12v feedback when the headlights are turned on?

val43

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City
Treviso
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Non-US
Country
Italy
What I Drive
Fiesta mk7
#1
Hi, I would like to dim my aftermarket radio when the headlights are on.
It takes a 12V input to trigger the dimming.
I though about running a wire from the fusebox (or the realy?) under the hood, but I'd prefer something easier.
I looked at the headlights knob, but the wires are tiny and not easy to tap. I would also guess that those cables carry some sort of CANBUS data, rather than simply feeding the relay.

Would anyone like to suggest the best way to get my radio display to dim?
TA!
 
OP
V

val43

New Member
Messages
2
Likes
0
City
Treviso
State
Non-US
Country
Italy
What I Drive
Fiesta mk7
Thread Starter #3
They're using the windscreen wipers supply, not the headlights. The headlights are powered by the other fusebox under the hood, as I said already, not by the one on the passenger side.
 


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