Question about 2005 Jeep Grand Cherokee
When you touch 4 way switch headlight/turn signal switch or wiper switch and 4 way switch seems loose can be wiggled to activate horn.
Its broken, that assembly.
the FSM covers this 100%
1: PULL NEG BATTER LUG, and wait for 5minutes min. for caps to discharge in systems. especially the next.
2: DEFEAT AIR BAGS OR DIE.
3: and the steps stated. Body chapter, page 156./
gain acess to the combo switch, find the part that is loose
correct that, and find the short to the horn
try to do so and not damage the clock spring,
working this area of any car, FSM free, is asking for trouble.
and very expensive broken parts by not following procedures to the letter.
Posted on May 12, 2014
This horn needs a replacement
Posted on May 22, 2014
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Posted on Jan 02, 2017
SOURCE: Service 4 Wheel Drive Switch
this seems to be because either the connection to the solenoid is loose or faulty or the solenoid is not activating. the transmission control module sends a signal to the solenoid to activate it. you get the light because the ecm detected that there is a a problem with the circuit. this is due to the fact that there is a voltage value to the solenoid and it is out of operating parameters
Posted on Sep 03, 2008
You should check to see if you have power at the horn first. If you do, you need a new horn. I believe there is also a relay involved. Sometimes these are interchangable. You can take a relay like the one for the A/C and swap it with the horn one and see if the horn works. That will at least eliminate the relay.
Posted on Jan 27, 2009
likely not, but change /check anyhow....If problem persists, likely you will need to change the module that controls directionals (usually under dash to the right of steering column)
Posted on Apr 27, 2009
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