viper aux output

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jurb

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Joined: May 23, 2007

Location: United States

Posted: June 16, 2007 at 3:59 PM / IP Logged

I just finished installing a 350HV. I want to use the aux output to turn on my head lights. Do I need to use a relay to do this?

enice

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Joined: March 05, 2006

Location: New York, United States

Posted: June 16, 2007 at 5:02 PM / IP Logged

Highly recommend it.

KarTuneMan

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Joined: December 14, 2004

Location: Isle Of Man

Posted: June 16, 2007 at 5:36 PM / IP Logged

What kind of vehicle? This does make a diff. Some you will need to use a relay....others you will not!

jurb

Member - Posts: 39

Joined: May 23, 2007

Location: United States

Posted: June 16, 2007 at 7:12 PM / IP Logged

Dodge RAM 1500, 2001. From the Hayne's manual, the wire that controls the head lights is light green. When I tested that wire it went from +12V to ground when I turn the lights on. So I am wondering if I need to connect the output from the alarm to a relay that switches to ground, or just use the output from the alarm itself? The output is -200mA. I really appreciate the help.

jurb

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Joined: May 23, 2007

Location: United States

Posted: June 16, 2007 at 8:13 PM / IP Logged

This is what I was thinking.

peterubers

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Joined: December 29, 2006

Location: United States

Posted: June 17, 2007 at 10:55 PM / IP Logged

Um, I can't recall for sure, but don't think it's that simple: I know the dodge/chrysler's need to see a certain resistance in the headlight wire to turn on:

Check this link:

https://www.the12volt.com/installbay/forum_posts.asp?tid=67105&KW=ram+headlight

I'm not sure if the 2001 is different .. if the 2001 is a simple 12 volt + wire for turning the headlights on, then wiring as follows:

85: 12 volts fused (+)

86: aux output from brain (-)

87: to headlight wire on Dodge Ram(+)

30: 12 volts fused(+)

The search function is your friend.

enice

Silver - Posts: 857

Joined: March 05, 2006

Location: New York, United States

Posted: June 17, 2007 at 11:10 PM / IP Logged

According to DEI it is a light green wire at the light switch. Victory technology states that it is a GREEN/ black wire at the same switch. Post which is right. By the way, DEI states that this wire needs a high current ground so yes you do need a relay. Either way both are (-) triggers.

jurb

Member - Posts: 39

Joined: May 23, 2007

Location: United States

Posted: June 18, 2007 at 9:40 AM / IP Logged

So I got it to work using a SPST relay from Radio Shack. For a 2001 Dodge Ram it is a light green wire that comes out of the headlight switch, it's pretty easy to find once you unscrew the switch from the dash, it goes from 12V+ to 0 when the switch is turned on. The wiring of the relay was:

85: 12V+

86: Trigger from alarm

30: Ground

87: Light green headlight wire

Thanks for the help, this site is great.

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viper aux output

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