98 cherokee door locks, reverse polarity?
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=21591
Printed Date: July 07, 2025 at 7:57 PM
Topic: 98 cherokee door locks, reverse polarity?
Posted By: blazer22
Subject: 98 cherokee door locks, reverse polarity?
Date Posted: November 17, 2003 at 10:36 AM
does anybody know the type of door locks a 98 jeep cherokee has? (i.e.- reverse polarity, etc) ive searched everywhere and cant seem to find it.
Replies:
Posted By: vaderfop
Date Posted: November 17, 2003 at 10:52 AM
The door locks should be high current ground negitive triggers. So you have to use a negative signal through relays to activate them.
Lock wire is ORANGE / purple
Unlock wire is pink/purple
Both can be found in the drivers kick panel.
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Remember check all your wires with a DMM!
Posted By: blazer22
Date Posted: November 17, 2003 at 12:18 PM
vaderfop wrote:
The door locks should be high current ground negitive triggers. So you have to use a negative signal through relays to activate them.
Lock wire is ORANGE / purple
Unlock wire is pink/purple
Both can be found in the drivers kick panel.
so what would that be called (like once i get home and look at the provided diagrams, what can expect to match what you said up with?) haha i know i sound like the ultimate newb but ive never been a fan of hooking up car alarms, although ive done mine and some friends its not really my expertise like car audio has. thanks though!
Posted By: blazer22
Date Posted: November 17, 2003 at 12:19 PM
vaderfop wrote:
The door locks should be high current ground negitive triggers. So you have to use a negative signal through relays to activate them.
Lock wire is ORANGE / purple
Unlock wire is pink/purple
Both can be found in the drivers kick panel.
so what would you call that (in other words, what diagram would i match that up with in the alarm manual?)
Posted By: vaderfop
Date Posted: November 17, 2003 at 4:59 PM
Depends on the alarm. If it is DEI you can use DEI part number 451M. I have worked mostly with DEI so i know them good, but from everything else I have only seen a few.
So, what kind of alarm (make and model) are you working with? In any case, you will need relays to make your door locks work. Should just be the diagram that shows you using relays and is a negitive trigger.
Hope that helps, with more info i might be able to help you more.
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Remember check all your wires with a DMM!
Posted By: italnpimp59
Date Posted: November 17, 2003 at 8:56 PM
it would be 3wire negative. this is how you wire the relays up. hope this helps. wire like this: 85-negative lock output 86-+12v fused 30-tap into lock wire (ORANGE / purple) 87-ground 85-negative unlock output 86-+12v fused 30-tap into unlock wire (pink/purple) 87-ground -------------
Posted By: blazer22
Date Posted: November 19, 2003 at 3:27 PM
thankyou very much for your help people, sorry for the doublepost up top but my internet disconnected so i hit post again and well you see what happened. the alarm i am installing is a DEI, its a viper 600esp, haha i can honestly say this is the first decent alarm that ive put in so its a lot harder than the crimestopper and whatnot. any help with the terms would be aprreciated. thankyou.
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