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99 dodge neon hornet 740t

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=108151
Printed Date: July 13, 2025 at 7:20 AM


Topic: 99 dodge neon hornet 740t

Posted By: texas-tuner254
Subject: 99 dodge neon hornet 740t
Date Posted: October 14, 2008 at 2:35 PM

Saturday i decided to install my alarm, a Hornet 740T included with door locks which i used a relay. First ill tell you my cars wire list which is needed, to the wires hooked up from the alarm to which of my car they were hooked up and then my problems.

Cars wiring List:

  • 12volt Constant-Pink/Black or Red
  • Starter-Yellow
  • Ignition-Dk. Blue
  • Accessory-BLACK/ Orange
  • Trunk Pin-Gray/Black
  • Parking Lights-BLACK / YELLOW
  • Head Lamp-Light Green
  • Door Trigger-Yellow

Alarms Wires Harness (H1) - Cars Wires

  • Orange-(optional) not used
  • White - Vehicle Parking Light - BLACK / YELLOW
  • WHITE/ Blue - (Optional) not used
  • BLACK/ White - Interior Light Illumination (optional) -  Not used
  • Green - Negative Door Pin Switch - not used
  • Blue - Negative Trunk Pin (optional) - Gray/black
  • Violet - Positive Door Pin Switch - Yellow
  • Black- Ground (Grounded w/ Sirens Ground)
  • Yellow - Ignition - Dark Blue
  • Brown - (Pos. Side of Siren) - Red
  • Red (+) - positive side of battery
  • RED / White - Factory Trunk Release - not used

(H2) Wiring Harness switched with relay for door locks -

  • Brown and White= Ground
  • Purple= 12v Constant
  • Blue and green= To actuators

(H3) Harness - 2 Black wires ran for starter interrupt = 1 to starter motor side of wire, 2 to key side of starter

Problems: 1:The way i have my alarm hooked up, when connecting negative bettery terminal back on to battery, siren sounds, tried pressing valet switch, pressing disarm on remote. 2: After i connected every wire i connected Neg. Batt. Terminal and started the car and the car started great everytime, but after hooking up the starter interrupt wires, and test driving, everytime i hit the brakes, Rpm's drop below 400 and shuts the car off 3: When test driving car stopped to get some subway before heading home and when i walked out and tried starting my car, it would not start, first thing i did was disconnect alarm from battery and it started right up. Any help you guys can give me will greatly appreciated. I used to work for circuit city till they screwed me over, was supposed to learn alarms but never had anyone to teach any of us ( me and other installers). But after studying everything for over a month i thought it would be pretty easy now this all started.




Replies:

Posted By: texas-tuner254
Date Posted: October 22, 2008 at 7:19 PM
still havent firgured it out. so if anyone can still help i would appreciate it



Posted By: jmw505
Date Posted: October 22, 2008 at 9:32 PM
well if the car will not start it the alarm is hooked up then the starter kill is active and wouldn't start it


now what kind of sensor are you useing like shock sensor or proxy sensor



Posted By: texas-tuner254
Date Posted: October 23, 2008 at 5:40 PM
its a shock sensor



Posted By: jmw505
Date Posted: October 24, 2008 at 11:22 AM
you might have a bad sensor disconect the sensor and see it that works



Posted By: texas-tuner254
Date Posted: October 24, 2008 at 4:45 PM
the sensor is built in the hornet module, is there any way to disconnect it if its one of these



Posted By: jmw505
Date Posted: October 26, 2008 at 12:50 PM
not really if you have access to another unit i would swap it out for a test it really sounds like its bad



Posted By: texas-tuner254
Date Posted: October 26, 2008 at 9:48 PM
i think the reason the siren was going off was because i had my door pins wired to the positive instead of the negative but with the module draining my battery i still cant figure it out


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