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no power locks w dei 456g ?

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=96460
Printed Date: May 15, 2024 at 8:28 AM


Topic: no power locks w dei 456g ?

Posted By: wytboyy
Subject: no power locks w dei 456g ?
Date Posted: August 16, 2007 at 11:03 PM

Hi, I have installed a viper 1002 and dei 456g module in a 2005 gmc sierra and I can't get the locks to work. There are 2 diff. plugs with violet wires at the OBD ?. I have tried each one, but I only pushed the wire into the obd connector to try each one. Could this be my problem ? I know you should connect it within 6" of the connector, but was afraid to solder it in until I know its the right wire. Are both theses violet wires buss data ? I followed the instuctions as stated and grounded the blue wire and made all connections prior to plugging the unit in, since I do not have remote start I assume if it cycled the door locks like it should have, I would then just leave it unhooked ? Thanks for any help.



Replies:

Posted By: Big Dog
Date Posted: August 17, 2007 at 1:32 PM

The data wire is the second pin from the top row of the OBDII connector.

At least strip and twist the wire but pushing it into the connector is kind of iffy. We're talking about thousands of bits of info per second, a single bit loss is detrimental.

Connect the red, black, purple of the 456 and program it using either the GREEN/ black or the blue depending on whether your vehicle is keyless or not.

Once programmed, alternately ground the GREEN/ black and blue/black wires of the 456 - the doors will lock and unlock.

If this works, connect them to the GREEN/ black and blue/black lock/unlock wires of the 1002. Be sure violet and violet/black are at ground.

Test using 1002 remote.



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Prepare your future. It wasn't the lack of stones that killed the stone age.




Posted By: wytboyy
Date Posted: August 17, 2007 at 9:25 PM
Thanks you very much Big Dog, I realized this morning that I was at the BCM instead of the OBD II ? I feel so stupid, and I did not have the violet from the alarm locks grounded. Everything works great. The only thing I dont like is that it honks the horn when I set the alarm, is there a way to shut this off ? Thanks




Posted By: JWorm
Date Posted: August 18, 2007 at 9:03 AM
wytboyy wrote:

The only thing I dont like is that it honks the horn when I set the alarm, is there a way to shut this off ? Thanks


Your truck have steering wheel controls? You can shut off the horn honk there.




Posted By: kgerry
Date Posted: August 18, 2007 at 2:35 PM
go into the DIC and program Remote feedback to OFF

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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer

Owner/Installer
Classic Car Audio
since 1979




Posted By: wytboyy
Date Posted: August 18, 2007 at 7:47 PM
Thanks Guy's Just the info I needed. Works great.





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