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98 Durango APS-785 remote start

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=23934
Printed Date: July 07, 2025 at 4:58 PM


Topic: 98 Durango APS-785 remote start

Posted By: cforsythe
Subject: 98 Durango APS-785 remote start
Date Posted: January 04, 2004 at 9:32 PM

I really hope someone can help me with this problem. I am trying to install a Prestige APS-785 into a 98 Durango SLT w/ factory keyless entry. I habe installed a quite a few alarms before but this one has me pulling out my hair. I have hooked up all the wiring as the manual says to. However when I plus in everything then the 16 pin harness, The alarm is triggered and will not quit unless you unplug it. I used the remote and the valet switch. Also when plugging in the door lock connect to the brain, the relay(?)  inside just keeps clicking on and off and the locks go bezerk for 2 seconds. The drivers lock stays unlocked while all of the others stay unlocked. What am I doing wrong here?  Any help is greatly appreciated. Maybe my fiance will still want to marry me... :)



Replies:

Posted By: draasch
Date Posted: January 04, 2004 at 9:39 PM
Make:   Dodge
Model: Durango
Year:    1998
This Database Was Last Updated On:    6/9/2003
Index #: 8709


Alarm
Constant 12 volts RED & PINK/BLACK IGNITION SWITCH HARNESS
Ignition 12 volts D BLUE IGNITION SWITCH HARNESS
Starter YELLOW IGNITION SWITCH HARNESS
Dome Light YELLOW (-) AT COURTESY LIGHT UNDER DASH
Trunk Pin Switch TAN/BLACK (-) 16 PIN CONN. BELOW FUSE BLOCK
Parking Lamp BLACK / YELLOW (+) AT HEADLIGHT SWITCH
Power Lock ORANGE / VIOLET 16 PIN CONNECTOR BELOW #203
Power Unlock PINK/VIOLET FUSE BLOCK IN DR. KICK PANEL

#203 - See Reversal Rest At Ground Door Lock Diagram.

Remote Start
Tach Signal BLACK/ GRAY AT IGNITION COIL OR PCM *
Ignition #2 BLACK/ ORANGE IGNITION SWITCH HARNESS (HEAT/AC)
Ignition #3 N/A
Accessory BLACK/ WHITE IGNITION SWITCH HARNESS
Neutral Safety NOT GROUNDING TYPE - OEM SWITCH OPENS STARTER CIRCUIT
Brake Light WHITE/ TAN (+) AT SWITCH ABOVE BRAKE PEDAL
Reverse Light VIOLET/BLACK (+) AT SWITCH ON TRANSAXLE
Rear Window Defrost N/A TIMER BUILT INTO SWITCH


* Ignition Coil Is Located On Passenger Front Of Engine. Powertrain Control Module (PCM) Is Located On Passenger Rear Of Engine Compartment In Front Of Washer Fluid Reservoir.


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Good Luck
David
Ace Security
813-376-9778
Tampa
Donate to the 12volt





Posted By: cforsythe
Date Posted: January 05, 2004 at 7:11 AM
I would like to add to this. My question is When the wiring states for example: Input grey/black (-) Shutdown From hood switch. Does this mean at rest or when tiggered the negative or positive is the one you need to tap into? My brain is hurting help please.




Posted By: draasch
Date Posted: January 05, 2004 at 8:55 AM
an input wire is a wire that will receive the - or + trigger....a hood shut down means that a pin switch will ground when the hood is opened and will send the ground through the wire to the remote start and will shut it down....or will prevent it from engaging so if you are working under the hood, you wont chop your arms off in the fan....

-------------
Good Luck
David
Ace Security
813-376-9778
Tampa
Donate to the 12volt





Posted By: cforsythe
Date Posted: January 11, 2004 at 1:36 PM
Oh please someone help me again. I have hooked this thing up and tried all different ways for the door locks that I have read possible. But the relays don't do a thing. The factory keyless remote still works no matter what I do. I am trying do stay with the 2 step and after reading posts, Came up with the positive system. Also, When attempting to remote start the only thing is the brain box clicks about 8 times. Please someone help.




Posted By: Alpine Guy
Date Posted: January 11, 2004 at 4:53 PM
i believe your truck had multi plex door locks, and you will need to place resistors inline.  Not shure tho...and to lazy to check it out, sorry.




Posted By: mazdatruckin
Date Posted: January 12, 2004 at 11:25 AM
to make sure you're not doing something wrong, try just hooking them into the unlock and lock wires for this car and see if it will at least unlock and lock all doors. It's a 98 so i think resistors are unneccessary. Should be + system. Before trying the 2 step unlock first try the just all unlock/lock




Posted By: cforsythe
Date Posted: January 15, 2004 at 4:28 PM

I have fianlly had a chance and the will to tackel this again. I have gotten the lock to work, but the unlock does not. The alarm just beeps at me 4 times. Any input on this one? Please. Oh Please, I hope someone can help.





Posted By: cforsythe
Date Posted: January 18, 2004 at 4:08 PM
Not to be a pest, But I finally got most of the alarm working. My next question are very concerning. When hooking up the power locks I tried just the lock and unlock all the way around. ( without 2 stage) And I couldn't get them to work. So I then removed the door panel to get to the switches thinking maybe I was on the wrong side of the factory relays. Still nothing at all. Just the arm and disarm beep and honk. Another one I hooked up the parking lights per the instructions but they do not work either. Should I just add a relay for this to work?  Any help please.




Posted By: Velocity Motors
Date Posted: January 18, 2004 at 5:20 PM
Did you add relays to convert the (-) signa to a (+) ? The Dodge requires a strong (+) signal to engage the locking motors. The parking light wire is located at a black plug in the drivers kick panel, it is BLACK / YELLOW in color.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA




Posted By: cforsythe
Date Posted: January 20, 2004 at 1:14 AM

I have tried several methods this evening. WOuld it be possible that I may have fried the internal relays in the brain of this unit ? If so, Can I check them with the meter ? Thanks for the help as usual.





Posted By: Velocity Motors
Date Posted: January 20, 2004 at 1:54 AM
If the locks still work with the swtich, then the relays are not damaged on the truck.

-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA




Posted By: prdjr165
Date Posted: January 20, 2004 at 4:37 AM
If your Durango doesn't have keyless entry, your door locks are reverse polarity according to Audiovox. With keyless entry they are positive pulse.




Posted By: jaurora
Date Posted: January 20, 2004 at 7:59 AM

Dodge seems to do things a little diffrent. You need to bypass the keyless entry controll module which is a black box located under the driver side dash to the right of the steering colum. do this by using the black wire with a blue trace coming out of the 4 pin harness on the prestge alarm. Solder a 1.5k ohm resistor to the end of this wire and attach the othe end of the resistor to a orange wire with a green trace coming out of the keyless entry controll module. The lock portion on dodges are positive polarity and the unlock is a reverse polarity. Hope this helps.

Jeremy



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MECP certified (If it really means anything)
Jeremy





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