Question about 1994 Buick Park Avenue

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Horn continue to sound - 1994 Buick Park Avenue

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See for weather any wire is sort or cut any where in the wiring loom it might happen if a wire which is making direct body contact can lead to direct earth without applying or pressing the horn it is better you take the car to nearest authorized service station for proper working of horn & to solve this problem in other case get the vehicle to a better technician or electrician for solving such problem

Posted on Jul 06, 2010

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Horn relay where is it located


Could have DTC"S
B1217 Horn Relay Coil Circuit Failure SJB REFER to Section 413-06 . B1218 Horn Relay Coil Circuit Short to Battery SJB REFER to Section 413-06 .
If the relay had a problem a DTC would be set .
PINPOINT TEST B: THE HORN IS ALWAYS ON Test Step Result / Action to Take B1 CHECK THE HORN SWITCH
  • Remove the driver air bag. Refer to Section 501-20B .
  • Does the horn continue to sound?
Yes
GO to B2 .

No
INSTALL a new driver air bag. REFER to Section 501-20B . TEST the system for normal operation. B2 CHECK THE HORN SWITCH HARNESS FOR A SHORT TO GROUND
  • Key in OFF position.
  • Disconnect: Horn Switch Harness.
  • Key in ON position.
  • Does the horn continue to sound?
Yes
GO to B3 .

No
REPAIR or INSTALL a new horn switch harness as necessary. INSTALL the driver air bag. REFER to Section 501-20B . TEST the system for normal operation. B3 CHECK THE CLOCKSPRING
  • Key in OFF position.
  • Disconnect: Clockspring C218a.
  • Key in ON position.
  • Does the horn continue to sound?
Yes
GO to B4 .

No
INSTALL a new clockspring. REFER to Section 501-20B . TEST the system for normal operation. B4 CHECK CIRCUIT 6 (YE/LG) FOR A SHORT TO GROUND
  • Key in OFF position.
  • Disconnect: Smart Junction Box (SJB) C2280a.
  • Key in ON position.
  • Does the horn continue to sound?
Yes
GO to B5 .

No
REPAIR the circuit. TEST the system for normal operation. B5 CHECK CIRCUIT 1 (DB) FOR A SHORT TO VOLTAGE
  • Key in OFF position.
  • Install the driver air bag. Refer to Section 501-20B .
  • Disconnect: SJB C2280b.
  • Key in ON position.
  • Does the horn continue to sound?
Yes
REPAIR the circuit. TEST the system for normal operation.

No
GO to B6 . B6 CHECK FOR CORRECT SJB OPERATION
  • Disconnect all the SJB connectors.
  • Check for:
    • corrosion
    • pushed-out pins
  • Connect all the SJB connectors and make sure they seat correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present?
Yes
INSTALL a new SJB. REFER to Section 419-10 . CLEAR the DTCs. REPEAT the self-test.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

Dec 26, 2016 | 2007 Mercury Mariner

1 Answer

Horn won't stop blowing


If horn stops with fuse removed, the problem is in the steeringf wheel. If horn continues to sound with fuse removed, the problem is a defective horn relay (located in fuse panel under hood).

Feb 11, 2015 | 1999 Lincoln Navigator

1 Answer

Horn blows fuse


Sounds like a short circuit make sure your using proper fuses and what not.

Dec 31, 2012 | 2005 Jaguar S-Type

1 Answer

The horn honks when I reconnect the battery


Hi,
If the horn only honked once it may be a symptom of your car alarm being set off after power has been re-applied. If the horn stays on after you reconnect the battery you have either a stuck horn button on your steering wheel or a stuck horn relay. Or it could be the alarm sounding the horn but that usually that occurs in a series of horn blasts (rather than continuous) and the car indicators usually flash in sync with the alarm sounding.
If the horn is stuck on in a continuous blast ie not sounding on and then off and then on etc etc, disconnect one the battery cables then pull the fuse that feeds the horn or pull off one of the removable spade electrical connectors from one of the 2 terminals on the horn itself. Usually the fuse box is either under the dashboard on the drivers side or could be under the hood. Consult your user manual for your car for fuse and horn locations.
If the horn is stuck you need to visit a qualified auto electrician, or perhaps you have a friend who knows his way around auto electrics?
Cheers,
Steve (Melbourne, Australia)

May 12, 2010 | 2002 Acura 3.2TL

1 Answer

2008 Ford Escape Horn fuse keeps blowing after replacing alternator. Horn sounds once then the fuse blows. Also radio and song info that displays in the dash console with the compass does not work... The...


I would trace the wire from the horn and see if it was inadvertently damaged when the alternator was installed. If you have a voltmeter, you can remove the horn fuse and check to see if there is continuity between the horn (non hot side) of the fuse and the car body. This would indicate a short in the wire running from the fuse box to the horn. You can also look around the alternator mounting area to see if any wires are being pinched. Hope this helps. Good luck!

Mar 10, 2010 | 2008 Ford Escape

2 Answers

Where is the horn relay?


The dealer can hook up his diagnostic tool and retrieve the fault code. -------------- SECTION 413-06: Horn 2003 Expedition/Navigator Workshop Manual DESCRIPTION AND OPERATION Horn Horn components include the following items:
  • clockspring
  • horn relay
  • horns
  • steering wheel pad horn switch
Horn switches The horn switch is incorporated into the driver side air bag module in the steering wheel. The switch is powered through the clockspring and grounded through the steering column. For removal and installation of the horn switch, refer to Section 501-20B .
Horn relay The horn relay is incorperated into the central junction box (CJB). The central junction box is located behind the passenger lower kick panel.
------------------------------------------------------------
Symptom Chart
Symptom Chart Condition Possible Sources Action
  • The horn does not sound
  • Central junction box (CJB).
  • CJB fuse 26 (20A).
  • Circuitry.
  • Horn switch.
  • Horn.
  • Clockspring.
  • Powertrain control module (PCM).
  • Go To Pinpoint Test A .
  • The horn sounds continuously
  • Central junction box (CJB).
  • Circuitry.
  • Horn switch.
  • Horn.
  • Vehicle security module.
  • Tire pressure monitor (TPM) module.
  • Clockspring
  • Go To Pinpoint Test B .

Dec 16, 2009 | 2003 Ford Expedition

1 Answer

Horn sounds continually


The spring may have broken. You may have gotten some moisturein the switch contacts.

Jun 21, 2009 | 2003 Ford Explorer

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