Question about Passport 8500 Radar Detector
I tried the qtip suggestion of opening my 8500 and cleaning it. I also used a bottled air spray to clean. It has been over one week now and there have been no false laser alarms.
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Posted on Jan 02, 2017
If the laser continuously falses even with the car's ignition turned off, then your radar detector has an internal electronics problem. If your radar detector frequently or nearly continuously falses for laser while you are driving even in the middle of nowhere, then most likely the cause of the problem is either poor power and ground connections or electrical noise within your vehicle's electrical system. Jump over to radardetector.net for help in resolving these issues.
Posted on Mar 17, 2009
This is fixable as described in other threads here. This is annoying and seems to be random, though it also does it sometimes when the wipers are turned on or I use the windshield sprayer. 2 minutes with a smal Philips screw driver and a Q-tip will fix it. I just did mine and it works great now.
Unscrew the three screws, pop the three components apart (it really is a no-brainer since they only fit back together ONE WAY, so don't be nervous. There is not anything that is going to fall apart or spring into a hundred pieces in there.
I used canned air to blow everything out and just used the Q-tip on the front window and the parts that looked like the detector window internally... I didn't bother swabbing all of the board.
IT WORKS! GREAT FIX!!!!! DO IT!! NO MORE FALSE LASER ALARM WHILE ACCELERATING and randomly.
Posted on Aug 27, 2010
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