Horn Issues PLEASE HELP!!!
05-12-2010, 06:07 PM
#1
Thread Starter
Join Date: Apr 2009
Location: Texas
Posts: 13
Horn Issues PLEASE HELP!!!
Hey and thanks in advance for any help anyone can give. Have a 2007 Mustang GT, was driving down the road and the horn just started going off. If you turn the key off and back on it will not go off.....untill you start the engine. It will not honk if key in run, but if you start the engine it does. So to not get shot I unplugged the horn. A week later was changing the grill and plugged it back in, now no horn at all either from the alarm or the column.... All fuses and realys are good
05-14-2010, 12:46 AM
#2
Join Date: May 2010
Location: Florida
Posts: 1
Horn issue
I have a 2006 Mustang GT and I was having the same problem for about 6 months. I took my car to two different dealers to find out what the problem was. When my car was being put together a the Ford factory someone dropped an extra screw in the horn area which cut into the wires and cause a short. They pulled the screw out and it never happened again. I
05-15-2010, 04:02 PM
#3
Cut & Paste Expert
Join Date: May 2007
Location: NW Arkansas
Posts: 13,322
Check for pass side wet carpet/pad from the water leak syndrome.
Disconnect the horn wire from the back of the SJB and see if the
problem persists. If not, its the horn button or wire to the SJB.
If it still honks with the horn button wire disconnected from the SJB,
its the SJB that is triggering the Horn Relay in the BEC under the hood.
Wet SJB causes all sorts of problems and its a known issue.
Disconnect the horn wire from the back of the SJB and see if the
problem persists. If not, its the horn button or wire to the SJB.
If it still honks with the horn button wire disconnected from the SJB,
its the SJB that is triggering the Horn Relay in the BEC under the hood.
Wet SJB causes all sorts of problems and its a known issue.
Last edited by 157dB; 05-15-2010 at 04:04 PM.
11-01-2022, 12:24 PM
#4
Join Date: Apr 2006
Posts: 10
Check for pass side wet carpet/pad from the water leak syndrome.
Disconnect the horn wire from the back of the SJB and see if the
problem persists. If not, its the horn button or wire to the SJB.
If it still honks with the horn button wire disconnected from the SJB,
its the SJB that is triggering the Horn Relay in the BEC under the hood.
Wet SJB causes all sorts of problems and its a known issue.
Disconnect the horn wire from the back of the SJB and see if the
problem persists. If not, its the horn button or wire to the SJB.
If it still honks with the horn button wire disconnected from the SJB,
its the SJB that is triggering the Horn Relay in the BEC under the hood.
Wet SJB causes all sorts of problems and its a known issue.
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