Turn On Factory Heated Seat, Compustar, 1999 Buick Riviera

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carguy8888

Member - Posts: 7

Joined: January 29, 2022

Location: New York, United States

Posted: January 31, 2022 at 8:49 PM / IP Logged

Hi 12 volt people,

I have a Compustar two way remote start with Drone Mobile which works great in a 1999 supercharged Riviera. I would like to add my OE heated seat as an AUX to the unit. This way I can activate the seat before I enter. The seat turns off each time the ignition is cycled from the factory. I thought my competent alarm installer could power the switch from the remote start unit simulating me depressing the button. He said it will not work because the switch is 7.5 volts and it will blow. I purchased a step down 12v to 7.5v converter and a spare OE switch to test. Will this work or any tips? Ty in advance.

iskidoo

Silver - Posts: 1,040

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Joined: December 08, 2002

Location: Maine, United States

Posted: February 01, 2022 at 5:29 AM / IP Logged

Seems like a relay to simulate activating the switch would be easier than trying to mess with changing voltages. Have the AUX output trigger a relay that momentarily closes the switch.

Steve G

carguy8888

Member - Posts: 7

Joined: January 29, 2022

Location: New York, United States

Posted: February 01, 2022 at 11:27 AM / IP Logged

Is there a specific relay I should get and since the switch is 7.5 amps just sending a pulse will not hurt it? I'm not the expert doing it and I just want to have a We bottle if he says it won't work. I really appreciate the help.

carguy8888

Member - Posts: 7

Joined: January 29, 2022

Location: New York, United States

Posted: November 03, 2022 at 8:06 AM / IP Logged

Hi,

I had a Compustar 4900s w/ Drone mobile professionally installed by a Compustar dealer in my 99 Buick Riviera roughly two years ago. Everything works as it should. Recently, I returned to add my heated seat as an auxiliary. My installer is gone and the others couldn't or didn't want to do it.

The factory system defaults to the off position each time the ignition turns off. When I hit the auxiliary button during remote start I would like the unit to send a pulse to turn on the heated seat. Is this unit capable of that and I will find a different installer? Ty.

carguy8888

Member - Posts: 7

Joined: January 29, 2022

Location: New York, United States

Posted: December 31, 2022 at 1:40 PM / IP Logged

It turns out my system has a factory module. Can I still make it turn on and off? Here is the wiring diagram.

https://photos.app.goo.gl/9w4qvfwnKjQ2NU4H8

geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: January 01, 2023 at 7:26 AM / IP Logged

Sending a negative (ground) pulse to the light blue wire (1462) between the power mirror switch and the heated seat module, should do what you want.

My ex once told me I have a perfect face for radio.

carguy8888

Member - Posts: 7

Joined: January 29, 2022

Location: New York, United States

Posted: January 01, 2023 at 11:05 AM / IP Logged

Thank you, you made my day.

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