Ford door triggers

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mcse74

Member - Posts: 6

Joined: August 05, 2004

Location: United States

Posted: August 05, 2004 at 9:16 PM / IP Logged

Does anyone know how to wire into the actual door triggers for a F250 or 350. If you use the door trigger and then your remote start shuts off the alarm will go off because the dome light comes on. So I need to isolate them from the dome light wire. I tried the door switch but it is ground when closed and nuetral when opened so using relays to trigger doesn't work because the relays are clicked on the entire time the door is closed. Any help?

Thanks

Jim

NowYaKnow

Gold - Posts: 1,217

Joined: December 18, 2002

Posted: August 05, 2004 at 10:09 PM / IP Logged

When necessary I use a pulse timer set for as long as the domelight stays on to break the domelight connection to the alarm module. Make it so the pulse timer activates anytime the ignition is turned off. The ignition wire rests at ground so that will be your negative to activate the timer.

Mike

mcse74

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Joined: August 05, 2004

Location: United States

Posted: August 05, 2004 at 10:29 PM / IP Logged

That is a good idea, but then your alarm is not going to trigger during that time frame.

NowYaKnow

Gold - Posts: 1,217

Joined: December 18, 2002

Posted: August 05, 2004 at 10:47 PM / IP Logged

I think being unprotected during that 30 seconds or so is worth the chance rather than having the alarm going off everytime. To me that's the same as saying you should use the door triggers instead of the domelight wire because the car is unprotected for the small amount of time before the dome light goes out and the alarm arms. Either way just a suggestion see what everybody else has to offer. Good luck let us know how you make out,

Mike

auex

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Joined: December 23, 2002

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Posted: August 06, 2004 at 9:11 PM / IP Logged

mcse74 wrote:

If you use the door trigger and then your remote start shuts off the alarm will go off because the dome light comes on.

What type of alarm do you have? I don't know of any alarm that does that.

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Ween

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Joined: August 01, 2004

Location: Illinois, United States

Posted: August 06, 2004 at 9:30 PM / IP Logged

the factory gem module in the F250/F350 will turn on the domelight any time the ignition is turned off, just some extra info, i do work for a ford dealer, among others

mcse74

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Joined: August 05, 2004

Location: United States

Posted: August 07, 2004 at 12:31 AM / IP Logged

auex wrote:

mcse74 wrote:

If you use the door trigger and then your remote start shuts off the alarm will go off because the dome light comes on.

What type of alarm do you have? I don't know of any alarm that does that.

The alarm doesn't do it the truck does it. Like the other guy said anytime the ingition is turned off the dome light comes on which then triggers the alarm. I know there is a way to tap into the GEM but I don't know what wires to tap into and where they are.

auex

Platinum - Posts: 5,041

Joined: December 23, 2002

Location: Arizona, United States

Posted: August 07, 2004 at 12:38 AM / IP Logged

What wire are you tied into now, color specifically? The whole off thing was confusing me, as in the alarm turning off.

Certified Security Specialist

Always check info with a digital multimeter.

I promise to be good.

Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

mcse74

Member - Posts: 6

Joined: August 05, 2004

Location: United States

Posted: August 07, 2004 at 12:45 AM / IP Logged

| DOME SUPERVISION |use door trigger | |

What exactly is confusing you and I will explain in detail

Installerny99

Member - Posts: 30

Joined: July 31, 2004

Location: United States

Posted: August 13, 2004 at 7:08 PM / IP Logged

just an idea ,i havent really thought this one out yet but food for thought. take your dome light wire and break it with a relay while the remote start is running , tie it in with with your ground when armed . and didode isolate them from the alarm and car, here is what i see

85 ign output from r/s +, 85ground while armerd, 30 door trigger to bcm,87door trigger to dom light, the diodes should prevent it from triggering the alrm when the remote start auto shuts down , but i could be wrong mayby some else can work off of this to help you out,

good luck

InstallerNY99

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Ford door triggers

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