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2000 pontiac grand am gt

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macgyver15 
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Posted: November 22, 2010 at 5:57 PM / IP Logged  
can you tell me why most of the things hook to neg(-) side?
trying to learn something new everyday!
macgyver15 
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Posted: November 22, 2010 at 6:03 PM / IP Logged  
not trying to be a pain in the ass was just wondering for future reference!
trying to learn something new everyday!
kreg357 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: Pennsylvania, United States
Posted: November 22, 2010 at 6:08 PM / IP Logged  

The (-) signals are usually low current and easier / safer to work with.  At the door pins, a ground is easy to create with only one wire. 

As for the relay setup wiring change to the Bulldog diagram for the door locks, being as the Viper is already outputting a (+) signal, might as well use that for the relays coil and save the extra wire and fuse.

Soldering is fun!
macgyver15 
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Member spacespace
Joined: November 21, 2010
Location: Pennsylvania, United States
Posted: November 22, 2010 at 7:27 PM / IP Logged  
so i need 2 relays and the 1500ohm resistor or just one can i get these at radio shack 
trying to learn something new everyday!
macgyver15 
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Member spacespace
Joined: November 21, 2010
Location: Pennsylvania, United States
Posted: November 22, 2010 at 7:32 PM / IP Logged  
just looked on radio shacks website didnt find it where would i get these from?
trying to learn something new everyday!
kreg357 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
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Location: Pennsylvania, United States
Posted: November 22, 2010 at 7:33 PM / IP Logged  
Two 30/40A SPDT relays and one 1500 ohm 1/4 or 1/2 watt resistor.  The shack will have the resistor and maybe the relays.  The relays can ususally be found at better auto stores.  The are many places "online" that list / sell both if you aren't in a hurry.  Get the relays with the 5 pin harness. 
Soldering is fun!
macgyver15 
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Member spacespace
Joined: November 21, 2010
Location: Pennsylvania, United States
Posted: November 22, 2010 at 8:13 PM / IP Logged  
thanks i'll look online for them now thanx for all ur help and might need some more later
trying to learn something new everyday!
macgyver15 
Member - Posts: 21
Member spacespace
Joined: November 21, 2010
Location: Pennsylvania, United States
Posted: November 23, 2010 at 4:35 PM / IP Logged  
ogot the relays and resistor wired them the way the diagram said- is there a way to check them before i hook them up to unit? to make sure they work 
trying to learn something new everyday!
macgyver15 
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Member spacespace
Joined: November 21, 2010
Location: Pennsylvania, United States
Posted: November 23, 2010 at 5:59 PM / IP Logged  
ok so i dont need positive just use both for ground and pos(+) from the unit?
trying to learn something new everyday!
kreg357 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: Pennsylvania, United States
Posted: November 23, 2010 at 6:55 PM / IP Logged  

Ok.  In the top diagram, you connected the the white wire to the yellow wire instead of going thru the fuse to +12v.   

The relay on the left is the unlock relay with the 1500 ohm resistor on its output.  Connect the Vipers GREEN (-) LOCK (+) UNLOCK OUTPUT to the relays' black wire going to pin 86. 

The relay on the right is for lock.  Connect the Vipers BLUE (+) LOCK (-) UNLOCK OUTPUT to its black wire going to pin 86.

If you wanted to test, put everything together except the Vipers 2 inputs.  Connect the relay outputs to the correct lock wire in the car.  Briefly touch a jumper wire connected to +12v constant thru a 5a fuse to left relays' pin 86 and the car should unlock.  Do the same to the right relays pin 86 and the car should lock.

Soldering is fun!
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