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viper 500+ door lock issues


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scout238 
Member - Posts: 25
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Joined: February 16, 2005
Posted: December 01, 2007 at 4:24 PM / IP Logged  

Car: 95 Tbird Coupe with stock power locks

Unit: Viper 500+ with 4 relays for the doors....

Here is the issue... Friend came to me saying the power door locks stopped working on the passenger side with the remote. A few months later the same thing but on the driver side. The switches still work. So with the remote basically nothing happens as far as door locks go, except SOMETIMES it will unlock only on the passenger side. I swapped the relays around and it changed doors... I was thinking relays were jacked but I have nothing to test them with me. Even after I moved the relays around, it still would not lock, it would only unlock. Again, sometimes it would try to unlock and sometimes it would do nothing. There are also 4 relays... which I was confused about because the install manual was saying it needs 2. So what do you guys think? Relays? Maybe the brain? I checked all the wiring and everything looked good... all butt connectors.

Any info would be greatly appreciated!! :)

Thanks guy,

Nathan

KarTuneMan 
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Joined: December 14, 2004
Location: Isle Of Man
Posted: December 01, 2007 at 5:41 PM / IP Logged  

The locks should be negative pulse....

LOCK

Pink / YELLOW

In driver's kickpanel  

UNLOCK Pink/green In driver's kickpanel  

viper 500+ door lock issues -- posted image.
Change pin 87 to ground.......
KarTuneMan 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member consistently provides reliable informationspace
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Posted: December 01, 2007 at 5:44 PM / IP Logged  
Sorry about the above post..... but you didn't say how you had them wired.
scout238 
Member - Posts: 25
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Posted: December 01, 2007 at 6:12 PM / IP Logged  
I didn't change any of the wiring, it was installed by a shop. It had worked before....
techman93 
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Location: Pennsylvania, United States
Posted: December 01, 2007 at 7:26 PM / IP Logged  
You may want to get 2 new relays that are 30/40amp rated and replace, and check fuse for power going to relays and check ground connections. I would trace to where the connections are made in vehicle to see if they are solidly made.
The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.
Do it right the first time... or I might have to fix it for ya
scout238 
Member - Posts: 25
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Joined: February 16, 2005
Posted: December 01, 2007 at 7:27 PM / IP Logged  
fuses check good. Do you know where I can get just the relays or will something easily found work fine? There is also 4 relays all together... not sure why though.
scout238 
Member - Posts: 25
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Joined: February 16, 2005
Posted: December 06, 2007 at 6:36 PM / IP Logged  
anyone have any thoughts on relays or brain? I got a call from my friend and now he is saying everything is mysteriously working.... viper 500+ door lock issues -- posted image.

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