Headlights on with unlock
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Posting Guru
Joined: Sep 2007
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From: Seneca, SC
Headlights on with unlock
Well here I am at it once again with a very pointless mod that no one has probably done yet...but anyways here it goes. So on my 2004 F150, the head lights come on when you unlock the truck with the keyless entry. My F250 does not do this. So what I am asking is has anyone ever tried to jump a few wire around to make this work...The lights coming on with unlock would be great. I often leave for work around 5:15 and it is always dark. If only those headlights would come on when I unlock the truck. Anyways if anyone has any suggestions then let me know. If not ill just have to stumble through the dark on the days i drive the 250 lol.
thanks for the time
thanks for the time
Logistics Pro
Joined: Jun 2005
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From: AZ
Well, this isn't the best way...but...How about taking a wire from the bed light (the one that turns on when you unlock the doors) and run it to a relay, then tie the relay to the battery and to the headlights? Probably want to put a diode in the line going from the headlights to the relay. I may wire this up next weekend...I'll let you know.
Cargo Master
Joined: Jan 2002
Posts: 2,079
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From: LA and CO
Is this a function of the GEM Module that could be turned on? What would you need to access the GEM and manipulate its functions?
The relay idea from the bedlight would work. Just be sure to use the diodes and you should be good... Does the interior light come on too? You could use that wire.
The relay idea from the bedlight would work. Just be sure to use the diodes and you should be good... Does the interior light come on too? You could use that wire.
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Posting Guru
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From: Seneca, SC
Neal if u wire it up from the bed light then let me know i will want to get some pics from you. In the meantime I'm going to check and see if it is a function of the GEM Module and if so if i can turn in on. Thanks guys for the help
Senior User
Joined: Oct 2004
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Well here I am at it once again with a very pointless mod that no one has probably done yet...but anyways here it goes. So on my 2004 F150, the head lights come on when you unlock the truck with the keyless entry. My F250 does not do this. So what I am asking is has anyone ever tried to jump a few wire around to make this work...The lights coming on with unlock would be great. I often leave for work around 5:15 and it is always dark. If only those headlights would come on when I unlock the truck. Anyways if anyone has any suggestions then let me know. If not ill just have to stumble through the dark on the days i drive the 250 lol.
thanks for the time
thanks for the time
Warren
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Joined: Mar 2008
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From: Monroe VA
My truck has the auto lights like that but they dont come on when you hit the unlock button. Is there something you can do to it if the truck has the auto lights?
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Warren
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Joined: Apr 2000
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From: NorCal
The idea of wiring a relay into the courtesy lights may be your best bet. Mainly, because it will come on with the unlock button on the FOB, turn off when you turn the key and also light up when you remove the key.
A different approach would be to get a 12vdc TDR (Time Delay Relay) and have the trigger come from the unlock solenoid itself.
A different approach would be to get a 12vdc TDR (Time Delay Relay) and have the trigger come from the unlock solenoid itself.
Hotshot
Joined: Jan 2002
Posts: 17,988
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From: La La Land
There are already headlight relays.
Why not just add the diodes to the existing relays?
I'm almost certain that the headlight switch supplies +12 to these, not a ground, so diodes from the dome lamp feed wire at the GEM to the headlight relay coils would seem to be the way to go.
Of course, this means that anytime the dome lamp is on, so are the headlights, and that may not be the desired logic.
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Why not just add the diodes to the existing relays?
I'm almost certain that the headlight switch supplies +12 to these, not a ground, so diodes from the dome lamp feed wire at the GEM to the headlight relay coils would seem to be the way to go.
Of course, this means that anytime the dome lamp is on, so are the headlights, and that may not be the desired logic.
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toddrochester
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