IDing and removing older DEI unit

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pipetteman

Member - Posts: 2

Joined: June 09, 2005

Posted: June 09, 2005 at 12:35 AM / IP Logged

Hi, I just found this forum, lots of good info here! This might be a stretch, but I wonder if anyone here can help me identify the alarm I have installed in my 1995 Nissan 240Sx and recommend how I should go about removing it. The alarm is a DEI unit. I have had the car since 1997. I have never had the key fob / remote and to my knowledge the alarm has never been armed while I have owned the vehicle. The FCC ID is EZSDEI437. The serial is A403240 11 1. There is no "Viper#" or any other identifying digits on it that I can find. The harness is:

RED / white (-) output ch.2

Red (+) 12V power

brown (+) siren

yellow (+) input switched ignition

black (-) input chassis ground

violet (+) input door switch

blue (-) input warn / trigger

green (-) input door switch

BLACK/ white (-) output dome supv

WHITE/ blue (-) output ch.3

white (+) output parking light

orange (-) output when armed

Along the side of the unit:

shock sensor 4pin (connected)

status LED 2 pin (not connected)

VRS switch red 2 pin (not connected)

prog switch white 2 pin (not connected)

valet switch blue 2 pin (connected)

door locks white 3 pin (connected)

Does anyone know what it is? The alarm was poorly installed. The brain is dangling above the clutch pedal, suspended by a bunch of wires and electrical tape complete with fuses and two relays. What is the best way to remove this alarm? Is it as simple as disconnecting every wire and pulling the whole thing out (without disrupting the ignition harness)? Thanks! IDing and removing older DEI unit - Last Post -- posted image.

IDing and removing older DEI unit - Last Post -- posted image.

diabloscope

Member - Posts: 48

Joined: August 16, 2004

Location: United States

Posted: June 09, 2005 at 2:17 AM / IP Logged

Not to ba a Dick , but You did say that You Installed It !!!

( Hi, I just found this forum, lots of good info here! This might be a stretch, but I wonder if anyone here can help me identify the alarm I have installed in my 1995 Nissan 240Sx )

From the wiring you described ,sounds like it could be very well a Dei product , could be Hornet , Python , Viper or Valet .

You should have a starter disable relay , it would have two 14 guage wires , black and a green wired to a relay socket , if you disconnect the brain to the alarm , or un-plug the brain the car should start , the relay should be normaly closed ..

All you have to do if you dont want any part of the alarm in the car just connect the black and the green 14 gauge wires together Graned they are connected to the black. / YELLOW starter wire !! Good luck !!!

pipetteman

Member - Posts: 2

Joined: June 09, 2005

Posted: June 09, 2005 at 10:38 AM / IP Logged

Woah, sorry, by "alarm I have installed in my", I meant "have" to mean "to possess" and not "have installed" to mean the past participle. I edited the post for clarity. I would never have done a such a hack job! I actually have the shop's name and number who did the installation (sticker on the side of the car). I called them but they were of no help. Thanks for the advice, I'll take a look at it this evening.

kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: June 09, 2005 at 3:03 PM / IP Logged

dont begin to explain proper grammar rules here... you'll frustrate the heck out of yourself....

the unit sounds to me like it might be a Rattler or Hornet.....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

auex

Platinum - Posts: 5,041

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Joined: December 23, 2002

Location: Arizona, United States

Posted: June 09, 2005 at 9:08 PM / IP Logged

There is no way to know what the unit is with out at least a picture. But I don't know why you need to identify it if you are removing it. Just go ahead and start cutting the alarm wires at the connection and taping the bare wire. You will also need to reconnect the starter wire as diabloscope pointed out.

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.

kgerry

Platinum - Posts: 3,455

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: June 10, 2005 at 10:00 AM / IP Logged

if it was a Viper, Python or AutoMate model (they all had a 437 model in the mid-ninties) it would certainly say so on the brain as these were their premium brands.... Rattler, Hornet and Sidewinder also had a 437 model during these years and since these models were interchangeable, they didnt have a name on the brain, just a rectanglular flat spot on the brain were the logo would usually be.....

as already mentioned, the only wiring you need to worry about would be the starter kill wiring...... everything else can just be unplugged and tied up without cutting anything.....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

jrilla

Gold - Posts: 1,498

Joined: November 19, 2002

Location: North Dakota, United States

Posted: June 10, 2005 at 5:38 PM / IP Logged

You should install a new one. With all the wires found and tapped into , a new one would be a piece of cake to install.

J Rilla

Owner/Installer

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IDing and removing older DEI unit

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