97 Ram 1500 sport Door Lock Problems
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=22836
Printed Date: May 16, 2025 at 3:48 PM
Topic: 97 Ram 1500 sport Door Lock Problems
Posted By: blackram
Subject: 97 Ram 1500 sport Door Lock Problems
Date Posted: December 14, 2003 at 3:39 PM
I ahve installed a ungo rs 151 remote start and keyless entry. Everything seems to work great except I can not get the locks to work. I don't know if i need relays or what. I have a 3 wire positive setup, the alarm can do both. I also have factory keyless. Any help would be great ..... Thank you!!!
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I would like to formaly thank all of those who help me out.
Replies:
Posted By: draasch
Date Posted: December 14, 2003 at 7:26 PM
we need to know what kind of car............... ------------- Good Luck
David
Ace Security
813-376-9778
Tampa
Donate to the 12volt
Posted By: blackram
Date Posted: December 14, 2003 at 8:00 PM
Sorry, forgot to mention. 97 Dodge Ram 1500 sport. I have tried it both ways on the alarm +/- and neither will work. Thanks
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I would like to formaly thank all of those who help me out.
Posted By: sheetrock0958
Date Posted: December 14, 2003 at 8:21 PM
It sounds like you are going to need some relays... I'm assuming the remote starter you are installing does not have "on-board" relays built in. "LOCK"/ Connect Lock Wire from RS to Pin 85 of Relay: Connect +12V to Pins 86 & 87 of Relay: Connect Pin 30 to Vehicle Lock Wire "UNLOCK"/ Connect Unlock Wire from RS to Pin 85 of Relay: Connect +12V to Pins 86 & 87 of Relay: Connect Pin 30 to Vehicle UnLock Wire. Hope this Helps & good luck.
Posted By: sheetrock0958
Date Posted: December 14, 2003 at 8:24 PM
I Forgot to mention in the previous reply that you need to program you RS to a (-) output for the Lock and Unlock wires from the RS module.
Posted By: blackram
Date Posted: December 15, 2003 at 8:27 AM
Thanks I will give it a try tonight.
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I would like to formaly thank all of those who help me out.
Posted By: Geeque
Date Posted: December 15, 2003 at 4:11 PM
Disregard the above advice from sheetrock, that system is revese polarity. Negative lock pulse from r/s to 85 on relay, 87 & 86 to 10 amp fused 12 volt source, 87a to switch side of factory locks and 30 to motor side of locks. Then negative unlock pulse to 85 on other relay, 87 & 86 to 10 amp fused 12 volt, 87a to switch side of factory doorlocks and 30 to motor side. The factory doorlock wires are org/violet and pink/violet in drivers kick. ------------- Gary Kline
MECP Master Technician
Posted By: Velocity Motors
Date Posted: December 15, 2003 at 4:41 PM
Positive trigger ( use this diagram to convert the (-) to a (+) ) on models with factory keyless entry, and 5 wire on all other models. MUST USE RELAYS for both (+) trigger and type C. ------------- Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: blackram
Date Posted: December 15, 2003 at 8:25 PM
I am very confused, maybe someone can explain to me why the alarm wont drive it , because it does both positive and negative. I can drive the locks where i hooked in by giving it power from the 12v constant connections. Is the alarm output not high enough? Also the relay i have is 30 amp SPST, will this work. Sorry for all the ?'s first time on an alarm. Thank you for all of your help.
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I would like to formaly thank all of those who help me out.
Posted By: Velocity Motors
Date Posted: December 15, 2003 at 9:25 PM
Some units will not have enough current ( -) or (+) to actuate some high current systems like the Dodge uses. The SPST relays will not work , you will need SPDT 30/40 amp relays for the system to work properly.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: wrencher_25
Date Posted: December 15, 2003 at 11:53 PM
I am almost positive that the locks are a reverse polarity in this truck. They are in a plug that is right above the kick. From the experiences that i've had, a regular bosch relay works fine.
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Andrew Weitzel
MECP First Class Installer
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