Question about Mercedes-Benz Sprinter

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Horn not working on sprinter van

Have relay and fuse and horn still not working

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Haykey Kaariainen

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I have the same fault in my 313CDI.
By pushing the alarm button the horn works.
Sometimes the horn worked intermittently so I suspect the wiring/ contacts on the steering wheel?

Posted on Oct 08, 2015

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Anonymous

  • 200 Answers

SOURCE: 1986 toyota pickup horn malfunction

hi

Check whether power is coming to horn.

if ok means then check the horn

thank you

Posted on Oct 22, 2008

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BCAS1298

Alexander Mimun

  • 3092 Answers

SOURCE: horn stopped working, fuse and relay is good

With test light check voltage at horn assembly on both wire's, could only have one, horn assembly itself could be ground, have some one press horn button while checking, if there is voltage replace horn assembly, if no voltage horn pad at streeing wheel bad. that's being fuse and replay are good.

Posted on Jan 04, 2010

Anonymous

  • 7 Answers

SOURCE: mercedes sprinter 308 cdi mwb van heater blower not working

Change the brushes in the heater motor.

Common fault on Merc Vitos and sprinters.

Brushes are on ebay. Search for "heater brushes"

Posted on Feb 05, 2010

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1 Answer

How do I fix the horn on 2006 Impala


System Description
The horn PCB relay is non replaceable ,soldered to the underhood fuse / relay box. . You would have to take the box a part to get at it . Is the air bag light lit on the instrument cluster ? Could have an open wire in the Clock spring , do you know what a clock spring is ? It is inside the upper part of the steering column , It allows the steering wheel to be turned full right to full left keeping the horn an all the buttons an air bag connected electrically. When the horn button is pressed, ground is applied through the horn switch contacts and the horn relay control circuit to the coil side of the relay. The horn relay coil is then energized, causing the relay switch contacts to close applying voltage through the horn control circuit to the horns. For theft deterrent functions, the body control module (BCM) also controls the horn relay by applying ground to the relay control circuit to the relay.
Circuit/System Testing
With a test lamp connected to ground, probe each of the test points on the HORN fuse while activating the horns. The test lamp should illuminate at one or both of the fuse test points.
?‡'
If the test lamp does not illuminate at either test point, refer to the Horn Switch Test.


?‡'
If the test lamp illuminates, refer to the Horn Test.


Ignition OFF, disconnect the inline harness connector C275. Ignition ON, test for B+ between the horn relay control circuit terminal B and ground.
?‡'
If less than B+, test the control circuit for an open/high resistance. If the circuit tests normal, replace the underhood fuse block.

Momentarily connect a 3-A fused jumper wire between the control circuit terminal B and ground. The horns should work.
?‡'
If the horns do not work, replace the underhood fuse block.

If all circuits test normal, test or replace the horn switch

The PCB relay horn system consists of the following components:
?€¢
Horn switch

?€¢
Horn PCB relay

?€¢
Horn assembly

?€¢
Body control module (BCM)

?€¢
HORN fuse 15 A

How cars clock spring works

May 17, 2016 | 2006 Chevrolet Impala

1 Answer

Can not get horn to blow on a 2001 malibu


2001 malibu horn fuse and relay are located in the under the hood fuse box.
location 21 should be the relay
location 43 should be the fuse.
if the relay is put in wrong the horn will not work. if you replaced the relay and the horn stopped working try pulling the relay out and turning it around. and try the horn again.

Feb 07, 2014 | 2001 Chevrolet Malibu

1 Answer

Car horn not working


as with all elect. fails check all fuses
in this case the 15 amp fuse marked, HORN
can i presume all else works good> car drives.?
all answers, USA spec car. nobody ever tells location, so..... if not USA< all answers wrong. the usa car has just 1 horn.....
got voltage to horn? 12v
Yes or no.?
if yes horn bad.
got voltage from horn relay
yes, bad wires.from, relay to horn
no, got voltage 12v to horn relay coil,
yes, good, no bad fuse.
got 0v to other relay coil (all tests honking)
yes, bad relay.
no, bad horns switch.

if you want me to guess. sure.
1: bad wires ../connections, end to end.
2 bad horn
3: bad relay
4: bad horn switch.

Dec 27, 2013 | 2005 Toyota ECHO

2 Answers

Horn doesnt work all fuses and relays are good


If you know the fuse and relay have power, you should be able to jumper the relay and make the horn blow. The horn pad on the steering wheel usually grounds the relay. If you can jumper the relay and make the horn blow, the problem may be the horn pad or the clockspring in the steering column.

Sep 25, 2012 | 2003 Chevrolet Silverado 1500

3 Answers

My 2001chrysler town and country van horn does not work


Check the horn relay to see if it works. Most cars use the same relays for multiple other functions. Check the part number on the horn relay and find another relay that is working that has the same part number. Swap out the horn relay with the known good relay. If that doesn't work, check all the wiring in association with the horn. If all the wiring is sound, then it is probably the horn itself, but that is very rarely the case.

Aug 02, 2012 | 2001 Chrysler Town & Country

3 Answers

I have a toyota camry 2000 and since I bought it the only horn that would work was the high tone one. All of the sudden none of them are working now. I realized that a relay on the fuse box that is under...


The click you here is the horn relay, You need to find the horns and check for power at the wire connectors. But you probably have a bad low and now a bad high not horn. since the relay clicks your fuse is good so that eliminates the fuse.

Feb 17, 2011 | 2000 Toyota Camry

1 Answer

2001 f-150 ford pick up truck . horn will not work


Did you check the fuse for the horn ? Engine compartment fuse panel, fuse #7, 20A

You can pull the horn relay, and jumper the normally open contacts to see if the fuse, horn and grounds for the horn are in working order ( this operates the horn without needing to use the horn button ).
The Horn relay is a half size Ford ISO relay in the engine compartment fuse panel ( check your owners manual to locate relay 206 ).

Diagram to jumper the horn relay, with this in place, the horn should sound as long as the jumper is in place
sscullys_15.jpg

If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp

Nov 12, 2010 | 2001 Ford F150 Styleside SuperCrew

5 Answers

Horn not working on 1999 z28 camaro / what could


Well, it could be a fuse. Check the associated fuse, if it is ok then proceed to checking for power at the horn (it should have 12v). If the horn has power then replace the horn. If it does not then seek proffesional certified help due to the fact that the problem is going to be in the steering column or horn pad, and that will require dealing with the airbag system (which is NOT recommended) unless qualified.

Nov 24, 2009 | 1999 Chevrolet Camaro

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