Add on for existing keyless entry
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=22512
Printed Date: May 13, 2024 at 10:35 PM
Topic: Add on for existing keyless entry
Posted By: Spotter
Subject: Add on for existing keyless entry
Date Posted: December 07, 2003 at 8:39 PM
Hi, I am considering purchasing a remote start that works off the existing factory keyless entry system in my 2000 Dakota. Does anyone have a good reason why I shouldn't use one of these? Sounds like a very good idea, so you don't end up with 2 remotes. Thanks!
Replies:
Posted By: NowYaKnow
Date Posted: December 07, 2003 at 10:13 PM
The main reason I don't recommend them is because range wise you are limited to the range of the factory keyless entry. Which in most cases, factory keyless range just plain sucks..Try it out see how far you can use your factory keyless from to see if that would be suitable for your purposes to activate your remote start. Also some factory keylesses are a little more of a pain for these units. For some reason when I do an add on to a honda factory keyless they never seem to work quite right unless you time the pulses perfectly. That's about it nothing really wrong with those setups aside from the range issue normally..Good luck,
Mike
Posted By: Spotter
Date Posted: December 08, 2003 at 6:06 AM
Murph] wrote:
Also some factory keyless entry systems do not work if the car is running.
Good point! I beleive that is the case with my truck.
Thanks for helping me make this decision.
Can anyone recommend the best bang for the buck remote starter? I have an Omega RS7K in my Volvo and it works great, but if I look on Omega's website, it seems as though they don't make remote starters anymore and I don't want to buy an obsolete model.
Posted By: ShaunD912
Date Posted: December 08, 2003 at 11:18 AM
Crimestopper rs900 v is an economical way to go. I've installed several with no problems. I think they have come out with the new models now. rs900 vi. They shouldn't be much different though, maybe just some new programming features or so.
Posted By: Velocity Motors
Date Posted: December 08, 2003 at 11:19 AM
Get a unit that has good range, alot of installer options such as 5th relay for 2nd IGN, ACC or Starter, ground out when running wire, alternate polarity door lock system, etc. and most important is get a manufacturer that will still honor your warranty if you decide to install the unit yourself.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: Spotter
Date Posted: December 13, 2003 at 7:41 AM
I took ShaunD912's suggestion and got a Crimestopper RS900.
It has tachless feature, so I am sure I will have no problem installing it on my 2000 Dakota. Thanks for the suggestions. You were all a big help.
Sincerly,
Scott
Posted By: Geeque
Date Posted: December 13, 2003 at 10:20 AM
Try to always use a tach signal if possible.
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Gary Kline
MECP Master Technician
Posted By: Spotter
Date Posted: December 13, 2003 at 10:23 AM
GEEQUE wrote:
Try to always use a tach signal if possible.
I would love to, but cannot figure out how to get a tach signal to the control unit.
The tach signal is generated in the ECU and transmitted to the instrument cluster via CAN so there is no real tach signal to tap into.
Ideas?
Posted By: boomer_106
Date Posted: December 14, 2003 at 2:00 AM
According to the database here the tach wire for your truck is BLACK/ gray and is found at the coil. Here is the link https://www.the12volt.com/installbay/detail.asp?info=alarm&year=2000&make=Dodge&model=Dakota&ID=17605&type=Alarm
Posted By: sroth140
Date Posted: December 14, 2003 at 2:07 AM
you can get teh tach from: behind the gauge cluster, injector, coil, ecm, and if you really suck.... wrap it around a spark plug wire over and over and over... just kidding. TACHOMETER - blk/gry or gry/blk - coil passenger side of engine
Posted By: Spotter
Date Posted: December 14, 2003 at 6:38 AM
boomer_106 wrote:
According to the database here the tach wire for your truck is BLACK/ gray and is found at the coil. Here is the link https://www.the12volt.com/installbay/detail.asp?info=alarm&year=2000&make=Dodge&model=Dakota&ID=17605&type=Alarm
Thanks, but this engine uses coil on plug. There are 8 individual coils, not just one.Does anyone have information for that? BTW it is a 4.7L V8 engine.
Posted By: chriswallace187
Date Posted: December 14, 2003 at 11:30 PM
Use the wire color at one of the coils that is not common with the other coils. Make sure you change your RS to a single cylinder signal if it requires that.
Also, if your remote start happens to have an auxiliary input, you can possibly use that to work with your factory keyless. Chrysler keyless works with the vehicle running, and usually when I do a remote start on a Chrysler product with factory keyless, I hook it up so that if the owner presses the lock button or hits the lock switch 3 times, the car remote starts. Then again, the only remote start I usually install is the DEI Rattler 369D which can be programmed for 3 pulse activation(also comes with its own remote and antenna for extra range). I wouldn't hook factory keyless up to an RS auxiliary input unless it could work on 2 or 3 pulses. If you want more info on doing that let me know.
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