Vacuum lock system and Very hot wire

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burnerofhells

Copper - Posts: 57

Joined: September 06, 2003

Location: Belize

Posted: January 20, 2004 at 9:56 PM / IP Logged

I finally got my keyless entry to work in my 1993 VW jetta but i noticed that if I lock and unlock the car multiple times in a row (4 or more) the wire that goes to the lock switch part, from the brain, is getting very hot. Is this normal when the car is locked/unlocked repeatedly?

Since it is a vacuum lock sytem it uses a 4 second pulse, could this be the reason? Should i worry about this?

It is the wire from terminal 87a of the extermal relay that is gettin hot. Check it out below.

https://images.cardomain.com/member_images/5/web/185000-185999/185158_107_full.gif

burnerofhells

Copper - Posts: 57

Joined: September 06, 2003

Location: Belize

Posted: January 20, 2004 at 10:05 PM / IP Logged

the wire from the vacuum pump to the door switches i used was the RED / black wire.

OK i just realized something... it doesnt matter how many times i unlock/lock the doors the wire is just getting really hot like power wont stop running through the wire. I disconnected it in fear of fires. What may the problem be?

Velocity Motors

Moderator - Posts: 12,488

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: January 21, 2004 at 1:41 AM / IP Logged

What wire colors did you use and where in the car did you tap the keyless entry wires to ?

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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burnerofhells

Copper - Posts: 57

Joined: September 06, 2003

Location: Belize

Posted: January 21, 2004 at 1:56 AM / IP Logged

I taped into the BLACK/ red wire right at the vacuum pump. Sould i have done it at the drivers kick pannel?

why would it make a difference?

I noticed now that my driver door does not lock with the vacuum system anymore and has to be manually locked. It turns out there is a resistor that got so hot it melted a hole in my drivers door lock.

Velocity Motors

Moderator - Posts: 12,488

Joined: March 08, 2002

Location: Manitoba, Canada

Posted: January 21, 2004 at 2:06 AM / IP Logged

It's just the the wires at the switch would power a relay that would send a signal to the pump to activate the lock and unlock. According to some of the notes that i have, the Jetta uses a (+) trigger wire to activate the relays for the pump. You didn't have to go straight to the pump according to the wiring information that I have.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

burnerofhells

Copper - Posts: 57

Joined: September 06, 2003

Location: Belize

Posted: January 21, 2004 at 2:08 AM / IP Logged

But would going straight to the pump have caused this?

i am using a positive pulse

Velocity Motors

Moderator - Posts: 12,488

Joined: March 08, 2002

Location: Manitoba, Canada

Posted: January 21, 2004 at 2:11 AM / IP Logged

On the diagram that you have, what is the " DOOR LOCK HARNESS " module suppose to be ? Is this on the car or is this the module that you have installed into the Jetta ?? I ask because all the other systems that I have installed into where I had to go tot he pump, I used 2 relays, not one.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

burnerofhells

Copper - Posts: 57

Joined: September 06, 2003

Location: Belize

Posted: January 21, 2004 at 2:44 AM / IP Logged

It is my ungo ms2004 alarm.

The diagram i have is what te install manual said to do.

How would i wire it up with 2 relays?

Keep in mind I must be a positive output. Also that the wires coming off the DOOR LOCK HARNESS are the wires i have to work with from the alarm.

burnerofhells

Copper - Posts: 57

Joined: September 06, 2003

Location: Belize

Posted: January 21, 2004 at 2:47 AM / IP Logged

Im pretty sure the alarm has one built in relay. I think this is why all the wires coming off it are labeld like a realy.

Also It was the wire that goes to the door locks that got very hot.

Velocity Motors

Moderator - Posts: 12,488

Joined: March 08, 2002

Location: Manitoba, Canada

Posted: January 21, 2004 at 9:30 AM / IP Logged

Vacuum Type Door Locks

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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