What color is the horn wire?
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Senior Member
Joined: Jan 2009
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From: St.Joseph County Indiana
What color is the horn wire?
I have a 2005 Screw, what is the color or ID for the horn wire at the
bottom/firewall of the steering assembly? I do not want to poke around and fire off the airbag!!!!!
bottom/firewall of the steering assembly? I do not want to poke around and fire off the airbag!!!!!
Technical Article Contributor
Joined: Jun 2002
Posts: 10,511
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From: Under the flightpath of old ORD 22R
Dark Green w/ Orange stripe wire from PCM is switched to the Dark Blue wire.
This is the circuit that grounds the coil on the horn relay.
Dark Blue wire is also the same wire from the BSM / VSM - Horn_LSD_Out function.
This is the circuit that grounds the coil on the horn relay.
Dark Blue wire is also the same wire from the BSM / VSM - Horn_LSD_Out function.
Technical Article Contributor
Joined: Jun 2002
Posts: 10,511
Likes: 10
From: Under the flightpath of old ORD 22R
PCM = Powertrain Control Module
BSM = Body Security Module
VSM = Vehicle Security Module
Ford had a MY change on the BSM, and changed it to a VSM name to differentiate the modules. Same as the NOV-00 change for the RAP / CSM. Similar functions, not pin for pin swapable.
BSM = Body Security Module
VSM = Vehicle Security Module
Ford had a MY change on the BSM, and changed it to a VSM name to differentiate the modules. Same as the NOV-00 change for the RAP / CSM. Similar functions, not pin for pin swapable.
Technical Article Contributor
Joined: Jun 2002
Posts: 10,511
Likes: 10
From: Under the flightpath of old ORD 22R
Sorry forgot this in the post above
horn_LSD_out is the pin on the VSM that makes the truck horn the horn when you press lock or unlock 2 times on the key fob RKE. It is the confirm tone.
horn_LSD_out is the pin on the VSM that makes the truck horn the horn when you press lock or unlock 2 times on the key fob RKE. It is the confirm tone.
