No climate control with remote start?
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=43184
Printed Date: July 13, 2025 at 5:06 AM
Topic: No climate control with remote start?
Posted By: berusch
Subject: No climate control with remote start?
Date Posted: November 17, 2004 at 10:12 AM
Hi, Just had a Viper 791 installed in my 92 Mercedes 400E at an authorized Viper dealer. I am told that I can not have climate control when the car is running with the remote start. Other power options in the car do work under remote start (windows, rear defrost, etc). Also, I purchased the proximity sensor, which was hooked up instead of the shock sensor. I was under the impression both sensors could be hooked up together, which is what I wanted, but am told otherwise. Can anyone shed some light on this? Thanks, Ben
Replies:
Posted By: berusch
Date Posted: November 17, 2004 at 10:19 AM
Also -- Just noticed aftermarket alarm will arm the factory alarm, but does not disarm it. So if I remote start while locked/armed the factory alarm goes off. Please help.... Thanks, Ben
Posted By: AutoAcoustics
Date Posted: November 17, 2004 at 10:53 AM
Sounds to me like you need to take your car back to the installer. The prox and shock sensor can be used together. The aftermarket alarm is supposed mto disarm you factory alarm. And you should be able to have climate control. After all, isn't that the whole point of remote start? I'd say take it back, and if they can't fix the problems ask for your money back and take it to someone who knows what they're are doing.
Posted By: TJ92Civic
Date Posted: November 17, 2004 at 1:44 PM
Yah i agree with AutoAcoustics. There may be more than 1 accessory wire that needs to be powered up for the climate control to work. And there should be a factory alarm disarm installed also. And you can install both sensors, just have to diode them. I saw a link how to do it, but I can't remember where it was. It was in someones signiture. Good luck. Tim
Posted By: berusch
Date Posted: November 18, 2004 at 10:05 AM
Thanks for the replies, but that wasnt exactly what I was looking for. I am quite capable of handling my own business affairs. And before I get angry--and get the guys who will be working on my car angry--demanding my money back, it's better to give them a chance to correct the issues. What I am looking for is installer's experience. If you've put a remote start in a 86-94 W124 Mercedes (300E,400E,500E,E320,E420,E500) please let me know if the climate control worked. If so, how did you do it. I called Viper, but the techs won't talk to a consumer for "insurance" reasons. What nonsense. Thanks
Posted By: metaverse
Date Posted: November 18, 2004 at 10:31 AM
huh ? Nobody is telling you to get angry. Folks are telling you to go and have the installers get their act together and fix what is possible on your car since you were told otherwise. You can do it passive or aggresssive..your own will.
You are just looking for ammo to go back to the installer. It is understandable, but, do you think it would make sense that you are going to go stand in front of them and say "my friend xyz from the internet told me to hook up the RED / blue/white wire behind the stereo to make this work, just do it" ? And there is indeed a way to connect a proxy sensor with the shock sensor in parallel and have both work... The accessories such as heat/ac will have to see power to make them work. Looks like they either missed a wire, or, did something out of the ordinary. I'm glad you are giving them the benefit of doubt..hope it sorts out for you.
Posted By: forbidden
Date Posted: November 18, 2004 at 1:18 PM
Here is my 1.64cents Canadian...... what the installers will need to do is diode isolate both the impact and proximity sensors, 4 diodes in total, one on each trigger line. Basically they will take the intrusion line and the preintrusion line and Y each line, on the ends of each Y is where the diode will go. Then each sensor can be hooked up to the proper line. The diodes are necessary to keep each sensor from interfering with each other. For the remote start issue it sounds like they have missed a line. The heater is controlled either by an ACC or IGN circuit. Put the keys in the ignition and turn it to ACC, does the heater work? No, turn the ignition to on, does the heater work. It should work in either one or both of these positions. If it does, then they have indeed missed powering up an additional line like a 2nd ACC (rare) or 2nd IGN (more common). ------------- Top Secret, I can tell you but then my wife will kill me.
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