1999 Pontiac Firebird Locking system

Tiny
KURT18978
  • MEMBER
  • 1999 PONTIAC FIREBIRD
I have a 1999 Pontiac firebird. I was wondering if the keyless entry system does it use infrared or radio frequency to lock and unlock it?
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Monday, December 7th, 2015 AT 7:24 PM

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Tiny
CARADIODOC
  • EXPERT
It's radio frequency. If it was infra-red, you'd have to point it at an optical receiver, and it wouldn't work if it was in your pocket.
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Monday, December 7th, 2015 AT 8:02 PM
Tiny
KURT18978
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Thanks. Is there an aftermart infrared keyless entry system replacement? And if so could I do in my self or get a mechanic to do it? If a mechanic can do it how much would it cost? This is a 1999 pontaic firebird. And the reason why I want to do this is because there is a prop from a movie I brought and it works use infrared and I want to able link it to my car. Thanks for time with this. By the way where is the keyless entry system located in my car?
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Tuesday, December 8th, 2015 AT 2:09 AM
Tiny
CARADIODOC
  • EXPERT
The keyless entry isn't just one module. It usually consists of a receiver module, then the Body Computer and Engine Computer are involved. They are impossible to bypass or deactivate because if it were possible to do so, car thieves could do it. They only thing I can think of is if there are relays for the lock and unlock functions, you might be able to tie into the unlock relay with another system, but there's a potential problem with that too. When a signal is received to unlock the door with your factory remote, that signal triggers a "disarm" instruction to the anti-theft system, AND it activates the unlock relay. A second system might run the unlock relay but it wouldn't generate the disarm signal that is recognized by the factory system. At most you'd be able to open the doors, but that would be the same as unlocking a door with a coat hanger wire. The alarm would sound as soon as you opened the door, and the engine wouldn't start.

I'm not aware of any remote system that uses infrared signals. That would be very unreliable in sunlight and inconvenient for consumers because they'd have to move to a place where direct line-of-sight was correct.
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Wednesday, December 9th, 2015 AT 3:54 PM

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