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existing alarm integrated with starter


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jose970 
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Posted: December 23, 2008 at 8:55 AM / IP Logged  

i have a 1994 hyundai elantra with and existing alarm (micro expeditor ex33hn) i bought a bulldog RS-90 is there a way to connect this remote starter to my car with the existing alarm and keep the alarm able to open/close the doors and kill the starter

thanks for the help

chriswallace187 
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Posted: December 23, 2008 at 10:52 AM / IP Logged  
It's possible - depending on your alarm. Some alarms are designed with provisions for controlling a remote start, and for bypassing the shock sensor during remote start operation.
Do you have an install manual for that alarm? If on the internet, can you link to it?
C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two
kassdog 
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Posted: December 23, 2008 at 10:53 AM / IP Logged  
You would need to connect the ignition output of the remote start to the ignition input of the alarm.
chriswallace187 
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Posted: December 23, 2008 at 2:26 PM / IP Logged  
Is your remote start the same as the RS-92 (wiring diagram is on page 7)?
C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two
jose970 
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Posted: December 23, 2008 at 4:33 PM / IP Logged  
yea it's about the same as the one on page 7...... ummm I'll post a link to the alarm diagram in a sec
jose970 
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chriswallace187 
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Posted: December 23, 2008 at 8:14 PM / IP Logged  
OK...I read through the manuals. That alarm isn't the best one to use with a remote start, but it also should not be that hard for you to get it to work. Here are the issues you'll have to deal with:
Issue 1.) Ignition trigger on the alarm. This will need to be isolated so that the alarm doesn't sense the ignition being hotwired when the remote start powers it up. This can be done with a relay wired as follows.
85: (-) yellow/black security bypass output from RS-90.
86, 87: ignition wire on car.
30: yellow (+) ignition input to the Micro Alarm.
Issue 2.) Shock sensor. This will need bypassed so that the vibrations from the engine don't set the alarm off when the car's been remotely started. Unfortunately the Micro Alarm manual doesn't give any information that would help in isolating the shock sensor.
Therefore I would suggest that you first attempt to adjust the sensor's sensitivity to a point where the alarm will detect impacts but not engine vibration (this adjustment would be done with the car running but the alarm's yellow ignition input disconnected).
If you can't tweak that sensor enough to stop false alarms, you could interrupt the signal wire from the sensor with a relay. I'd try adjustment first however.
Issue 3.) Remote start control by the alarm. This is easy - connect the gray auxiliary output from the alarm to the blue "AMA" input on the RS-90.
C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two

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