Question on wiring for Viper 791xv

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dickpeter

Member - Posts: 14

Joined: January 16, 2004

Location: United States

Posted: February 04, 2004 at 7:24 AM / IP Logged

Can anyone tell me what this means below?

door lock harness, 3-pin connector

BLUE (+) LOCK (-) UNLOCK OUTPUT

EMPTY NOT USED

GREEN (-) LOCK (+) UNLOCK OUTPUT

I don't underdstand the whole (+) and (-) thing.

I plan on putting this unit in a 2004 Scion Xb.

Thanks in advance.

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mobiletoys2002

Gold - Posts: 1,050

Joined: April 12, 2002

Location: United States

Posted: February 04, 2004 at 8:35 AM / IP Logged

the unit can do both positive pulse and negative pulse locks without adding relays! Check the lock sytem u have in your car if it is negative u would use green for lock and blue for unlock if it is positive u would wire it the oposite way!

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sroth140

Silver - Posts: 513

Joined: August 27, 2003

Location: United States

Posted: February 04, 2004 at 3:37 PM / IP Logged

most alarms/remote starts cant do + locks because they take too much power for the brain to supply, so they generally supply a - pulse to drive - door locks or act as a - trigger for a relay.

SO, using blue on + systems will act as a lock trigger, and unlock on - systems. vice versa for green. many newer DEI units can do + door locks. i know the avatal 4000 is labeled + and - but it still cant drive + systems, you have to use the 451m relay, which is basically 2 relays in one.

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Teamrf

Gold - Posts: 1,031

Joined: January 13, 2004

Location: United States

Posted: February 04, 2004 at 6:14 PM / IP Logged

It comes with a 451M but if you don't use it you can always store it in your box, and save it for a customer that may need it.

~The Rookie~

Rookie of the year that is...

Don't let the smoke out of your equiptment..it doesn't go back in.

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mobiletoys2002

Gold - Posts: 1,050

Joined: April 12, 2002

Location: United States

Posted: February 04, 2004 at 6:27 PM / IP Logged

huh that's funny as most cars that I have seen that are positive pulse are pulsing factory relays from the switches. And a positive pulse off an alarm will activate factory relays without adding more! Im not saying all positrive pulse sytems will work but most do!

most alarms pulse a 200 ma output that is plenty to pulse relays!!

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Question on wiring for Viper 791xv

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