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Horn Help


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#1 400M

400M

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Posted 15 October 2009 - 01:03 PM

Well to say the least, i can not pass inspection with out a horn.
it seems my truck has not had one for a while. can someone
help me with the proper wire color that is supposed to go to
the horn? i am not sure the wires are even in the proper
location. i have a rats nest of wire in the area of where the
horn and starter solinoid areas are. i have so far removed
about 40 feet of multiple gauges of unused wire. i have no
idea what the previous owner was thinking.
1979 Ford F-150 with a 351M regular Cab Rusted Short Bed.
in neeed of a good Short Bed. Help!!!
I know there is no such thing as a 400M, but mine has a modified CAM.

#2 bronc76

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Posted 16 October 2009 - 06:57 PM

Look for a yellow/green stripe wire or a blue/yellow stripe wire depending on which pitch horn you have.

#3 400M

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Posted 16 October 2009 - 07:24 PM

does a 1979 have a horn relay? i do not know or see
where it is. it looks like the PO Removed it along with
any wire.
1979 Ford F-150 with a 351M regular Cab Rusted Short Bed.
in neeed of a good Short Bed. Help!!!
I know there is no such thing as a 400M, but mine has a modified CAM.

#4 bronc76

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Posted 17 October 2009 - 05:28 AM

Yes, it should have one.

#5 400M

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Posted 17 October 2009 - 08:00 PM

well i can not find any relay. but i found the wire. it was painted multiple times.
i just pulled a steering wheel from the yard. install and testing tomorrow.
1979 Ford F-150 with a 351M regular Cab Rusted Short Bed.
in neeed of a good Short Bed. Help!!!
I know there is no such thing as a 400M, but mine has a modified CAM.



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