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horn wiring on astrostart 2100

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dk7892 
Member - Posts: 20
Member spacespace
Joined: July 11, 2009
Location: Saskatchewan, Canada
Posted: August 17, 2009 at 11:52 PM / IP Logged  
I am having problems wiring the horn on a astrostart 2100 in a 1996 suzuki esteem and i got this info Connect the P2 light green directly to the blue/black at the column, on your car!
A relay should not be needed. if it is .... wire like so.
87 to ground
86 12volts fused
85 the P2 light green
30 to the blue/black on your car.
87a not used and its still confusing how to wire the horn so if someone can explain this better to me it would be greatly appreciated
t&t tech 
Platinum - Posts: 2,608
Platinum spacespace
Joined: October 05, 2008
Location: Trinidad and Tobago
Posted: August 18, 2009 at 5:40 PM / IP Logged  

Assuming that output for the horn is negative, with at least a 200ma capability it can connect directly to the negative trigger wire at the steering column, simply because it would be sufficient to trigger the factory relay for the horn. However if say by some stretch of the imagiation this output doesn't suffice to trigger the relay then the additional relay would be needed to boost the negative signal of the alarm's horn output. The output of the added on relay would then be connected to the negative trigger wire at the steering column only this time the signal will be stronger and definitely capable of triggering the factory relay.

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
Joined: December 14, 2004
Location: Isle Of Man
Posted: August 18, 2009 at 10:30 PM / IP Logged  

dk7892 wrote:
I am having problems wiring the horn on a astrostart 2100 in a 1996 suzuki esteem and i got this info Connect the P2 light green directly to the blue/black at the column, on your car!
A relay should not be needed. if it is .... wire like so.
87 to ground
86 12volts fused
85 the P2 light green
30 to the blue/black on your car.
87a not used and its still confusing how to wire the horn so if someone can explain this better to me it would be greatly appreciated

make the connection.........

dk7892 
Member - Posts: 20
Member spacespace
Joined: July 11, 2009
Location: Saskatchewan, Canada
Posted: August 21, 2009 at 11:00 PM / IP Logged  
I connected the light green to the blue/black wire but it does not work so i believe i need another relay probably
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: August 22, 2009 at 8:41 PM / IP Logged  

dk7892 wrote:
I connected the light green to the blue/black wire but it does not work so i believe i need another relay probably

Did you verify the horn wire????

dk7892 
Member - Posts: 20
Member spacespace
Joined: July 11, 2009
Location: Saskatchewan, Canada
Posted: August 22, 2009 at 8:49 PM / IP Logged  
Yes it is
t&t tech 
Platinum - Posts: 2,608
Platinum spacespace
Joined: October 05, 2008
Location: Trinidad and Tobago
Posted: August 23, 2009 at 6:30 AM / IP Logged  

dk7892 wrote:
Yes it is

Yes, but did you verify this with a meter! There's now way on earth that trigger wire needs a second relay, unless you have a defective relay to start with!

chev104275 
Gold - Posts: 1,428
Gold spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: November 26, 2007
Location: Massachusetts, United States
Posted: August 23, 2009 at 6:40 AM / IP Logged  
did you test the output of the module to make sure that works ? i agree with t&t theres no way you should need to relay that wire
If i Can't Install it    I Don't need it   Joe
dk7892 
Member - Posts: 20
Member spacespace
Joined: July 11, 2009
Location: Saskatchewan, Canada
Posted: August 23, 2009 at 9:08 PM / IP Logged  
actually i never tested the module so ill try that tonight
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: August 24, 2009 at 11:57 AM / IP Logged  

In all the years of installing Astros I have never doen a horn connection that actually required a relay.

If the output isnt strong enough, wire the relay as described above!

Remember, use a DMM to verify!


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