791xv will not lock doors properly!

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beemerz1

Member - Posts: 8

Joined: December 09, 2004

Location: Norway

Posted: February 18, 2005 at 6:24 PM / IP Logged

Almost finished installing the alarm now, but I've got one problem:

When I arm it, the locks will only lock during the 4.5sec (-) pulse. When it's finished, the doors unlock again.

I've connected the green wire ( - lock and + unlock ) to the yellow wire on my stock DEFA Patriot 500x.

The car is a Golf Mk3.

Can anyone help me?

profuse007

Gold - Posts: 2,015

Joined: October 20, 2002

Location: Texas, United States

Posted: February 19, 2005 at 12:47 AM / IP Logged

*1 Requires a double pulse to unlock.

(+)~200mA, the unit has both polarity, disregard the (-) and only look at the positive.

dont forget to program it to dbl pulse.

Houston,TX

"The two most common elements in the universe are H+ and stupidity" (Ellison).

beemerz1

Member - Posts: 8

Joined: December 09, 2004

Location: Norway

Posted: February 19, 2005 at 5:03 AM / IP Logged

Thanks for the help, but I'm not completely following...

The lock and unlock wire colors are the ones from the DEFA?

Reason why I connected to the yellow wire (might be yellow/red) is that I measured it to be 0V for about 4 sec when I locked the car (with DEFA remote), and 12V for about 4 sec when unlocking (didn't look like double pulse).

The weird thing is that it works as it's supposed to do if I manually gound the yellow wire to lock, and give it 12V to unlock it!

Which wires from the 791xv should I connect the two wires to?

Do you know if I can arm and disarm the DEFA with the 791xv?

That way the DEFA should handle the power locks like before.

beemerz1

Member - Posts: 8

Joined: December 09, 2004

Location: Norway

Posted: February 22, 2005 at 7:07 AM / IP Logged

Anyone else who can help me on this?

Please!

gus1

Gold - Posts: 1,013

Joined: October 15, 2003

Location: Canada

Posted: February 22, 2005 at 3:17 PM / IP Logged

Use relays to drive the car's lock and unlock wires. It will give them isolation from the polarity switching of the unit. Also.... there may be more current being drawn than the unit can provide. Set unit to long pulse, double pulse unlock.

Test for the proper wires by tricking the door into thinking it's closed (trip the latch), and use the key in the door cylnder and a DMM to verify which wires are lock and unlock.

Gus

Wherever I go, that is where I end up......

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791xv will not lock doors properly!

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