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08 tacoma lock issue with viper 5000


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phlame217 
Member - Posts: 27
Member spacespace
Joined: February 28, 2008
Location: Oklahoma, United States
Posted: July 06, 2008 at 1:18 AM / IP Logged  
My dad just bought a new 08 Tacoma access cab and has already had it broken into once, so I offered to let him have a viper 5000 i pulled out of my old car and had laying around. He said he wanted it so I sent it in under warranty to have an issue with a fried hoodpin circuit fixed and just got it back just as new.
Wiring schematic for tacoma: https://www.the12volt.com/installbay/forum_posts.asp~TID~99263
Lock Harness:
VIOLET* Unlock #87 Normally Open (Input)
BLUE/BLACK Unlock #30 Common (Output)
BROWN / BLACK Unlock #87a Normally Closed
VIOLET/BLACK* Lock #87 Normally Open (Input)
GREEN/ BLACK Lock #30 Common (Output)
WHITE/ BLACK Lock #87a Normally Closed
BLACK/ WHITE DomeLight Supervision relay Input #87
Issue: I have the violet/black grounded to vehicle, blue/black to vehicles GREEN/ black (unlock) and GREEN/ black to vehicles violet wire (lock). When activating alarm, or deact, the vehicle does not lock or unlock. No other wires were used in the harness.
Testing: I have tested with a dmm to make sure the viper lock relays are working properly and both the blue and green wires ground when activated. I have tested the tacoma wires and found that the green black grounds when turning drivers key cylinder, but the violet does not (yet neither work with alarm).
Also, according to a wiring schematic for the 08 tacoma that i obtained, I have the correct wiring.
Any ideas or issues people can share?
KarTuneMan 
Platinum - Posts: 7,056
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member consistently provides reliable informationspace
Joined: December 14, 2004
Location: Isle Of Man
Posted: July 06, 2008 at 1:41 AM / IP Logged  

You need to ground BOTH of the pin 87's.  You won't use the 87a. You WILL use the 30's These will connect to the truck.

Your truck: lock is purple, unlock is GREEN/ black. both are negative. Unlock is double pulse.

phlame217 
Member - Posts: 27
Member spacespace
Joined: February 28, 2008
Location: Oklahoma, United States
Posted: July 06, 2008 at 1:47 AM / IP Logged  
I ran outside real quick (I have the truck pulled apart in my garage) and grounded that wire and now I can hear the relays click within the brain, but still no lock unlock action (already had programmed for double on unlock)

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