Question about Cobra XRS-757 Radar Detector

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Cobra XRS 757

Where I can get a replacement of XRS 757 power plug?

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There are 2 options for power plugs that can be purchased from Cobra for the 757. The straight 12V power cord is listed under item number: 420-030-N-001 and the coiled 12V power cord is listed under item number: 420-026-N-001. Both can be purchased from Cobra by calling their order line at: 773-889-3087 or visiting www.cobra.com

Posted on Dec 20, 2008

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1 Answer

What amperage fuse goes in a police detector cigarette lighter cable?


check wattage on unit and divide by voltage (12v) that = amps required in fuse and then add 2
example 120w % 12v = 10 amps

Dec 29, 2009 | Cobra XRS-757 Radar Detector

1 Answer

I plugged it into my aunt's 2007 accord and it wouldn't turn on, yet when i plugged it into my 98 accord, it worked fine. Help?


Have you tried to plug something else in the 2007 to see if the power is present? May have a bad fuse.

Mike

Aug 14, 2009 | Cobra XRS-757 Radar Detector

1 Answer

Cant find a replacement fuse for the power cord


the fuse is located in the cigarette lighter plug, at the end you will see a silver cap and then the disk that goes over the top of it, that will turn and then you will have the front open to replace the glass fuse that is in it... to find the fuse size, after the fuse is out look at the silver ends it will have the size stamped on it... it might be a 40 amp fuse. or 20 amp. just look at the silver sides on the fuse you will find that there... hope this helps you out

Jun 03, 2009 | Cobra XRS-757 Radar Detector

1 Answer

Cobra xrs757 X Band


The x-band is the considered a "trash band". It picks up things like automatic doors at supermarkets and such. About every radar detector made has an X band for non-police radar. There is no way to turn this band off on the XRS-757.

Holding down the dim button for 2 seconds turns the V alert on/off
Holding down the city button for 2 seconds turns the Spectra on/off
Holding both city and dim together for 2 seconds turns K and Ku band on/off.

Dec 18, 2008 | Cobra XRS-757 Radar Detector

2 Answers

I need a manual for a cobra xrs 757 for a radar detector any idea where i can find one


The Cobra XRS-757 is the same as the Cobra XRS-9330. The difference in model number is due to the 757 being sold at Wal-Mart stores.

Dec 10, 2008 | Cobra XRS-757 Radar Detector

2 Answers

No instruction manual


Here is the download site from Cobra but I did not find your model # listed,,, sorry You might check out some of the others and see if there's something close.
http://www.cobraelec.com/index.cfm?fuseaction=page.display&page_id=22#Radar%20Detectors

Possibly there's something or a similar model from Uniden,,
http://www.uniden.com/index/manuals_results.cfm?cat=9
Let me know,,, Mechanic

Oct 27, 2008 | Cobra XRS-757 Radar Detector

1 Answer

Windshield mounting clip


The front of the detector has a small **** in it about an inch wide and a couple mm tall. the tab on the suction cup mount slides into this **** on the front of the detector.

Aug 13, 2008 | Cobra XRS-757 Radar Detector

1 Answer

Cobra 757 codes


X stands for wide band radars(easy to detect,lots of false alarms)
K/Ka stands for pulse band radars(similar signal has auto doors)
W,L stands for laser detection (very little false signals)
Ku stands for signal most used on speed cameras
V stands for radar detectors detector
Have in mind that you can only lower your speed 20-30 km/h in city zones, and up to 50 km/h on highway.This depends on car,brakes and You.

Jun 16, 2008 | Cobra XRS-757 Radar Detector

4 Answers

Cobra radar detector speaker replacement


I called cobra support(777-889-3087) and it was around $6 plus shipping for a replacement speaker.
the correct phone number for cobra support is 773-889-3087 and can be found on their website.
Cobra was very courtious and I also got my replacement speaker for my XRS-9500.!

Feb 20, 2008 | Cobra XRS-757 Radar Detector

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