Radar Detector Mirror Wiring

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Artie

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Escort MAX 360 with wiretap stays powered on during auto stop/start. No issues.
So I’ve tried testing my passport with the ASS enabled but now the doggone ASS never shuts the vehicle off. I don’t know if it’s because the car sat for over a week and the battery needs charging from the alternator or what. I do get the little ASS symbol pop up when I press the brakes hard at a complete stop. I’ll report back eventually.
 

Artie

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Ass worked today and my passport stayed on. If yours is turning off you may have tapped the wrong wire.
 

William Miller

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Ass worked today and my passport stayed on. If yours is turning off you may have tapped the wrong wire.

I checked and I am tapped into the white and black wires on the mirror side. Valentine Research says that if the voltage drops below 10 volts (even for a moment) when the voltage resumes normal level, it puts the radar detector into its start up mode. So it appears the V1 is sensitive to voltage drops below 10 Volts more so than others out there.
 

Powerplay

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Guys,
Has anyone been successful using the front upper console dome light or the power sun roof/side window for power and ground? Replacing the console with sun roof option, while replacing I was going to tap into power and ground connection for either function and install mirror mounted Uniden R3. Any issues using these power/ ground options switched? Having no luck so far finding the wiring diagram. Besides using my volt meter, any idea which wire is switched ign power and ground in map lighting or power sun roof/side window?

can always run down headliner to passenger fuse panel as 2nd option using an add a circuit to 31. Thought I would save time and wiring tapping into roof console area. Haven’t check mirror for white and black wires yet: It’s a 2012 Ford Expedition EL with rain sensing option.

appreciate any ideas and feedback to wire up the Uniden R3 near mirror and upper map console area.

Thanks,
B
 

5280tunage

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So I got out and messed around again and finally found the wires I was looking for. For those of you searching in the future: You need to tap the white (+) and black (-) wires on the mirror side of the mirror plug, and that will get you the power you need.

View attachment 26153 View attachment 26154
This worked perfectly, thank you.
 

Yoop33

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Anyone figure out how to keep the power on whether the truck is on or off? I’m trying to power a dash cam and it works fine when accessory is on but not when truck is off.
 

5280tunage

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So question here, I've seen some great wiring diagrams in posts like this, does anyone have a similar diagram for under that dash that might help me find an accessory circuit for a signal circuit? Need less than .5A and I really hate using VOM's to test circuits in these ridiculously sensitive systems. Thanks in advance.

As for the mirror tap, I've had some mixed experiences. My radar detector works fine, but I also have a DashCAM connected and it has a battery protection setting (that I can't override) that freaks out when the auto start/stop feature kicks in, so when using the mirror circuit, the dash cam often shuts off if my vehicle shuts off for long.
 
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