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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Hard wired my radar dector to left post. in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; To provide a little insight as to the legitimacy of mounting your detector in the glove box ("because it worked ...
  1. #16
    ccclarke's Avatar
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    Thumbs up Re: Hard wired my radar dector to left post.

    To provide a little insight as to the legitimacy of mounting your detector in the glove box ("because it worked while I drove around the cop") I would strongly advise against it. I have plenty of experience in detection/counter-detection systems and though I don't know what your range from the radar was, I do know close-in radar will saturate any receiver; the basic premise of a radar warning receiver is to detect "their" signal before you get within detection range, so what you want is the most radar transparent area you can mount your detector to improve your reception (sensitivity) to allow you time to react to the threat. Outside of a big honkin horn antenna suspended by a blimp dragged by your vehicle (maybe a little too obvious, eh?) your windshield is a pretty good bet. The hood will help channel some of the signal towards your detector, and the back window and deck will improve your chances of counter-detection (if you have a rearward-facing antenna like the V1).
    The CTS has a faceted exterior, but I'm pretty sure GM didn't design it to reflect radar away from transmitters. ESM, cunning and guile (or a light right foot) is our best defence.

  2. #17
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    Re: Hard wired my radar dector to left post.

    What I find interesting is the instructions that came with my Cobra detector. The said that a dash mounted detector may not be as effective due to headrests and passengers. So I mounted mine beside the rear view mirror for a clear view both ways. I hear whats been discussed but was puzzled by the manufacturers tips

  3. #18
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    Re: Hard wired my radar dector to left post.

    Another interesting thing with radar detector....

    Mine *always* goes off... and *only* in my '79 DeVille, when the engine is off, and I put the key in and turn the ignition to "on" as soon as I do that, the radar detector goes crazy....

    but in the real world, Laser does mean your busted... I know although it was false alarms for laser the whole day so I kinda ignored it, but as I crested the hill, at the last second it went to full scale Ka band... it sucked

    *double post... sorry

  4. #19
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    Re: Hard wired my radar dector to left post.

    Another interesting thing with radar detector....

    Mine *always* goes off... and *only* in my '79 DeVille, when the engine is off, and I put the key in and turn the ignition to "on" as soon as I do that, the radar detector goes crazy....

    but in the real world, Laser does mean your busted... I know although it was false alarms for laser the whole day so I kinda ignored it, but as I crested the hill, at the last second it went to full scale Ka band... it sucked

    It is an Escort Passport 8500 X50. in the '93 DeVille i use the windsheild mount, in both the '79 DeVille and my Oldsmobile I have some 3M velcro tape stuff on it, and the dash, and I just sit it there.

  5. #20
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    Re: Hard wired my radar dector to left post.

    I think it goes crazy when you turn it to the on position because the power cycles...

    Reed

  6. #21
    ccclarke's Avatar
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    Smile Re: Hard wired my radar dector to left post.

    Does your radar detector continue to alert after you fire up the ignition, or does it go nuts, then simmer down and settle into "search" mode after the engine is started? If so, you could be picking up electrical interference (RFI) from your ignition system at start-up; as a general rule, coils pull current the hardest when the electrical field initially builds up as power is applied. Not to ping on your choice of radar detectors, but some pass more energy from the radar spectrum (wider band filtering) through their receiver circuits. Gating (detector) circuits go up in price as the circuitry becomes more sophisticated to minimize false detects. I spent more time than I care to remember in the military listening to 99% false detects on threat bands of ESM gear. But just like the "real world" that we drive in, it's that smaller percentage that turns out to be predatory. If your detector doesn't get squirrely in another vehicle under the same conditions, I'd bet even money on RFI from the ignition system. You'll need a spectrum analyzer to measure the frequency and strength of the signals. At that point, you could be looking at new plug wires or ignition coils to cut down on leakage. Good luck!

  7. #22
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    Re: Hard wired my radar dector to left post.

    For what it is worth column:

    I've had the Bel Vector 945 mounted to the post for a couple months now. It has worked incredibly well. I'm mostly suburban, where the cop sits over on the other side of a hill, which is a bridge. 1 mile from the bridge I'm getting an alert, and sure enough there he is on the other side of the bridge. It has not failed me and gives very few false alerts, other than the usual X band from door openers. It cost me $135. I can't see how a $400 could work any better. If it were any more sensitive, it would be picking up signals on parallel streets. Don't want that. The post mounting, as I said earlier, has kept it invisible to outside prying eyes. I'm very comfortable parking and leaving it in, regardless of the neighborhood. Funny part, at night on the expressway in the middle lane. Cars come up to pass on the left at about 80-90 and almost stop when they get by me. They slow down and back away. They see the detector. It says FULLSCAN in red leads. They can't figure out what it is and think I'm some unmarked state cop . I love it.

    OK, Valentine users, let me have it

  8. #23
    Night Wolf's Avatar
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    Re: Hard wired my radar dector to left post.

    Quote Originally Posted by ccclarke
    Does your radar detector continue to alert after you fire up the ignition, or does it go nuts, then simmer down and settle into "search" mode after the engine is started? If so, you could be picking up electrical interference (RFI) from your ignition system at start-up; as a general rule, coils pull current the hardest when the electrical field initially builds up as power is applied. Not to ping on your choice of radar detectors, but some pass more energy from the radar spectrum (wider band filtering) through their receiver circuits. Gating (detector) circuits go up in price as the circuitry becomes more sophisticated to minimize false detects. I spent more time than I care to remember in the military listening to 99% false detects on threat bands of ESM gear. But just like the "real world" that we drive in, it's that smaller percentage that turns out to be predatory. If your detector doesn't get squirrely in another vehicle under the same conditions, I'd bet even money on RFI from the ignition system. You'll need a spectrum analyzer to measure the frequency and strength of the signals. At that point, you could be looking at new plug wires or ignition coils to cut down on leakage. Good luck!
    I was trying to remember if it goes off after the start-up... and can't remember. I think it may... or I just get pissed and mute it, and it goes off soon enough...

    It has to be the car though, in my '89 Oldsmobile or '93 DeVille, it dosn't do it. Next time I am in traffic with the '79 DeVille, if I see anyone around me with a detector, I wanna shut her down then turn the ignition on (only work if they have laser) I think it would be funny...

  9. #24
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    Smile Re: Hard wired my radar dector to left post.

    Thanks for the educational "heads-up" GreyGhost! Now I can hopefully avoid losing bladder control, seat cushions, and precious brake pad lining the next time I pass a car with unknown equipment, and a "FULLSCAN" message lit up on it!
    Seriously though --ANY radar detector is better than NO detector, so you won't hear any holier-than-thou Valentine One comparison commercials from me. Like your Bel, mine just plain works, but the rear directional arrow helps me out when I can't find the emitter and I keep getting detects. And whatever the costs, a good radar detector is cheaper and less painful than speeding tickets and increased insurance premiums!

    "Sagire, Classis, Destructum!" (Search, classify, destroy!!!)

    CCC

  10. #25
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    Re: Hard wired my radar dector to left post.

    Thanks. I think you hit the facts perfectly.

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