Viper 791xv door lock question
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=49854
Printed Date: May 14, 2025 at 7:27 AM
Topic: Viper 791xv door lock question
Posted By: srusin1
Subject: Viper 791xv door lock question
Date Posted: February 10, 2005 at 10:41 PM
Im installing a viper on a 2004 maxima, i want to run two wires(aux and lock ) to the lock wire in the switch. Do I need to diode isolate the wires?
Replies:
Posted By: auex
Date Posted: February 10, 2005 at 10:44 PM
No you don't need one, but you can use them. Let me guess, your windows roll up or down with an extended pulse on the lock wires?
------------- Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: srusin1
Date Posted: February 10, 2005 at 11:11 PM
Yes they do roll up and down with extended pulses. Is there any advantage in putting a diode in so the other wire from the alarm doesnt interfere with the wire giving the ground.
Posted By: gus1
Date Posted: February 11, 2005 at 9:45 AM
Use your Aux4 and Aux5 tied into the lock wires to do your windows..... works well.
Gus
------------- Wherever I go, that is where I end up......
Posted By: JWorm
Date Posted: February 11, 2005 at 10:06 AM
You can tie the wires together inside the car so you will just have to run 2 wires instead of 4 to the switch. Diodes not needed.
Posted By: auex
Date Posted: February 11, 2005 at 10:20 AM
gus1] wrote:
Use your Aux4 and Aux5 tied into the lock wires to do your windows..... works well.
Gus
Yeah, what he said. If you use channel 2 then it won't work. ------------- Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: srusin1
Date Posted: February 11, 2005 at 12:01 PM
Doesnt the viper send a postive pulse to the unlock wire when the lock wire gets a negative? Would a diode stop the postive pulse from getting to the unlock wire?
Posted By: gus1
Date Posted: February 11, 2005 at 12:25 PM
I wouldn't worry too much. Viper stuff is fairly isolated.
The doorlocks on your car are negative, probably rest positive. A positive pulse on the other wire won't bother anything.
Gus
------------- Wherever I go, that is where I end up......
Posted By: srusin1
Date Posted: February 11, 2005 at 10:35 PM
well i installed diodes and now the locks work intermitently, should i use relays or get rid of the diodes? also can aI use the crankshaft signal for the tach?
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