R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

Radar Detector Hardwire

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Old 05-18-2009, 02:22 PM
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R350
Radar Detector Hardwire

Ran my passport radar detector hardwire to the passenger fuse box to hardwire and cant find a positive lead that isnt controlled by the ignition, any suggestions? The fuses seem to always have power?

I couldnt find a good positive lead in the overhead light cluster/sunroof controls either. Either place would be great. Thanks
Old 05-18-2009, 04:54 PM
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2007 R350 - P01- Black on Black, 2008 Toyota Sienna Limited
12V lighter plug in the center console is the only one any of us has used up front. I like you went to the passenger side fusebox as I didn't feel like taking apart the console to get to the plug
Old 05-18-2009, 05:45 PM
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08 R350, 07 Acura RL, 1989 Honda Shadow VLX600 (10K miles)
Originally Posted by rdrracing
Ran my passport radar detector hardwire to the passenger fuse box to hardwire and cant find a positive lead that isnt controlled by the ignition, any suggestions? The fuses seem to always have power?

I couldnt find a good positive lead in the overhead light cluster/sunroof controls either. Either place would be great. Thanks
You have 2 choices:
Take the center console apart and splice the wire directly to the cigarette plug.

OR

Run the wire to the rear trunk fuse block and buy a splice fuse block from any Auto Part store to plug in the fuse block. (I think it is 15Amp fuse number 46)
Old 05-20-2009, 12:40 PM
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X166, 997
did you notice if your car has the IR glass?

Just fyi...when i put my radar detector on the winshield, I realized it wasnt working for ****...untill i put it into the 2 spots where there was no IR coating. Then it worked.

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