proximity sensor

i have read the rules and look through the forums, i have a 2000 ford excursion XLT 5.4L, 2wd. with rear a/c i have just installed a clifford avantgaurd 5.1 and i have placed the proximity sensor with double sided tape on the roof above the middle bench seat, it seems the sensor is not picking up movement after i have adjusted it, the instructions say never to place behind metal brackets or under console pockets that will have coin or other metal objects, with that said is it a problem that i mounted it to the roof cause it being metal, and do you have any suggestions. 

antifork wrote:

---

I wouldn't suggest putting two proximity sensors because of the reason of me burning an intelliguard 750 couple of months of go doing that. If you are more concerned about the back I would just place the proximity far back in an open area. I usually hide it between the center console and the seat at the bottom where no one can hit it or see it. The problem with the G5 is that it is a lot of trial and error when it comes to adjusting it. Also if that doesn't work then I suggest returning the unit and getting a new one because some of these proximity sensors come bad out of the box. AND REMEMBER NOT TO PUT IT ANYWHERE NEAR METAL OR ANYTHING THAT GIVES OFF A MAGNETIC CHARGE SUCH AS AN AMP OR SPEAKERS. That would damage the proximity.

---

Thanks for the heads up, i almost tryed to do just that.

sparkie wrote:

---

Proximity sensors will work best if installed against a flat metal area. They will sense through most materials except for metal. They aren't really impeded by upholstery, plastic or glass to any degree. You could have a serious problem with your mouting location even still. The mounting location should be as solid as possible and the roof is a very bad choice. Believe it or not, vehicle roofs will flex ever so slightly in high winds or storms. Even though you can't see the movement, the sensor will react to it. It will sense everything within it's field as moving back and forth away from it. Even if you mount the sensor to a roof brace you can still have the problem. The best place is below a seat or under a center console. If the vehicle has window tint, the sensor may not be able to see beyond the windows. The metallic compound in the tint prevents this. When adjusting prox sensors, alway start with the interior field first if it is a dual stage sensor. Start with a small field and increase the sensitivity slowly unitil you get what you want and then adjust the outer field if it applies to your sensor. You should also wait 1 minute after arming the alarm to check the settings to see if the alarm reacts. Patience is required when setting up prox sensors.

---

Thanks for the info on placeing the sensor in a differant location, i needed that second opinion.

I am not a professional installer, but I have installed multiple cliffords (G3/G4) in my cars and cars of friends.  I have always placed the sensor under the center console (or as much centrally located as possible) and have never had a problem with any of them.   And programming these things via remote doesnt get any easier.  I do, however, like to set my zones about 6 inches inwards of the windows.  It prevents "falsings" such as cats walking down your windshields, etc.  With all this done, my sensor never goes off unless someone actually reaches in there.

Good luck!

Howie, i mounted the sensor with the clifford log pointing down towards the floor. and the wire pointing towards the front of the car, i thought thats what the instructions said, but i may be wrong. should i put it pointing up ?