ground when armed wire problem

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: March 02, 2009 at 6:31 AM / IP Logged

There should be a 1amp diode across that relay with the band side towards the pos at either 86 or 85. How do you get flu in that climate? We've got snow coming back in the next few days....loverly

mishi

Member - Posts: 9

Joined: February 28, 2009

Location: Trinidad and Tobago

Posted: March 02, 2009 at 7:10 AM / IP Logged

Oh yeah... trust me you can... but I don't envy you right about now with that snow coming...

That diode is within the relay or just in the wiring?

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: March 02, 2009 at 11:20 AM / IP Logged

The diode is across the coil vside (85 and 86) of the relay and the band should be at the positive side.

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: March 02, 2009 at 2:33 PM / IP Logged

Why did I tempt the fates and make a joke about catching the flu in your climate? I've had to be 10ft from a rest room all day, now I've got the shiver's, my diner was toast and flora, with 2 x Excedrins! Sorry sorry sorry..... When is this bloody cricket going to end? Man Utd. beat my lot on penalties and I've got 2 x 07:00am tracking jobs tomorrow. It's now half eight and I'm thinking of going to bed wrapped up like a little old lady to knock out the fever. It's a wonderful life.

t&t tech

Platinum - Posts: 2,611

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: March 02, 2009 at 4:59 PM / IP Logged

mishi wrote:

Actually I had rewired the EL before the lojack uninstall. andI checked it again and all was where I originally installed it... (Red to 12V +) Black to Ground and Yellow to Orange wire.

I have a little knowledge on the wiring and nothing was moved. The relay wires are all where they should be connected... there was never any diode to begin with even before the incident. The yellow ground activated wire is directly on the orange wire out from the module harness... so i'm beginning to think it looks like my alarm has been screwed...

Yeah it was Car search... I wasn't too pleased when I took down the panel in the evo to see the mess that they did...

the yellow ground activated wire is not supposed to go to the orange period, the orange from the relay goes to the orange from the alarm, the yellow wires, there are normally two, both common at the relay, one goes to ignition to activate starter kill and the other to feed the ignition input of the alarm for the purpose of trigger, if it is the yellow really is connected to the orange of the alarm, and you haven't made a blunder in your post, then correct it, orange to orange, one of the yellow to the yellow of the alarm, and the other yellow to a true ignition.

commit your way to jehovah and he will act in your behalf. psalms 37:5

t&t tech

Platinum - Posts: 2,611

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: March 02, 2009 at 5:03 PM / IP Logged

oh and howie no external diodes are present on dei relays here, and to mishi if the above post is right, and you correct the problem, that is if the ground output of the alarm is already blown, post back there's one more thing you'll have to do, but that's if you complete the above first.

commit your way to jehovah and he will act in your behalf. psalms 37:5

mishi

Member - Posts: 9

Joined: February 28, 2009

Location: Trinidad and Tobago

Posted: March 03, 2009 at 4:52 AM / IP Logged

No no when I said the yellow grounded output, I was referring to the EL scanner... sorry for not making it clearer. The starter kill relay is wired as you have stated earlier...

Still battling the flu and the rain's pouring over here... I do have another option though... I may be able to get my hands on another modude to see if everything will work. properly...

i am an idiot

Platinum - Posts: 13,717

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 03, 2009 at 6:23 AM / IP Logged

IF the module you have access to is another alarm brain, if you figure out that it is the brain that is bad, take yours apart and follow the trace from the pin of the orange connection. It may go to a transistor that has been defaced. It will make things much easier if you had the other brain to get a part number off of the part.

mishi

Member - Posts: 9

Joined: February 28, 2009

Location: Trinidad and Tobago

Posted: March 07, 2009 at 8:10 AM / IP Logged

Ok took apart the unit this morning and found nothing wrong... no breakage, no traces of something blowing... nada.

Tried the other 300esp unit I got from another car and strangely enough, it did the exact same thing... starting with the alarm armed.

So now I really guess it's a wiring issue. I decided to run the scanner's ground and ground when armed wires to the orange ouput of the alarm. It still runs when the car is off but it's quite faint until I actually arm the system.

But now I'm a bit lost as to what connection is wrong as I said everything looks to be connected where it's supposed to... maybe tomorrow I'll totally disconnect the system and redo it all wire by wire and see. failing that I'll just take it to the damn specialist here on the island.

i am an idiot

Platinum - Posts: 13,717

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 07, 2009 at 11:47 AM / IP Logged

You should ground the LED assembly to ground. Only connect the trigger wire to the ground out when armed. The g.o.w.a wire is probably capable of 200 milliamps. The starter kill relay alone is drawing 160 milliamps.

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