Question about Toyota MR2

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I was given 2 Mitsuba Arena Horns,type- MBH 2E13 and MBH 2E14. I have tryed connecting them directly to my car battery but they won't work. They try to but I only get one short beep. Is there a special wiring diagram for these horns. All I got was the horns, without any instructions. Please help !!! Mike S.

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Make sure they are bolted down securely as the earth for horns is important if bolted to good earth and they dont work then the horns are faulty if securely bolted down they will work if theyre ok

Posted on Oct 19, 2008

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2 Answers

Removed the only wire connected to horn it now is only held and connected to frame by a single bolt. Afraid to wire in air horn because horn still sounds even though it has no wire connected to it.


Hi Christian:
Many vehicles have 2 horns so that the sound is more pleasant. If there is no wire connected to a horn, it can not (in my experience) make any sound. May I suggest that you have someone assist you by tapping the horn button while you locate the horn that is sounding.

Sep 16, 2015 | 2000 Isuzu VehiCROSS

1 Answer

My horn WILL NOT work


Where are you connecting the tester to? If you are connecting one lead to the negative terminal on the battery and the other to the horn wire and it lights up try connecting a wire from the horn housing (bare metal) to the negative battery terminal and attach the horn wire to the horn and try it. if that works the ground path from the battery to the horn mounting place is broken somewhere. you may have to run a negative wire to the horn mounting place to make it work properly. Hope this helps.
Bob

Jul 18, 2014 | 1968 Mercury Cougar 4.9

1 Answer

Horn does not operate


I would check for the following:
1. Fuse
2. Relay
3. Wiring
4. Horn itself (disconnect it from the car, use a wire to connect to horn and tap it directly to the battery, if it horns then it is ok, if not probably need a replacement.
5. Push button on the steering wheel
6. Rotor contact on the steering wheel

Feb 24, 2014 | 2002 Mitsubishi Lancer

1 Answer

Horns don't work when power put to them with a


If you did apply power directly to the horn and they don't repsond or just "buzz" then you need new horns.

Jan 27, 2012 | 1991 Mercedes-Benz Mercedes Benz 500 Class

2 Answers

My horn doesnt work


Once you checked the Fuse as OK ( engine compartment fuse panel, fuse #7 ) , might want to try shorting the Normally Open contacts in the Horn relay, to see if it is the horn, or the switch from the steering wheel.

Pull the Horn relay ( Ford 1/2 ISO relay ) Relay 205 in the same fuse panel in the engine compartment ). Looking into the relay socket, you will see 2 sets of pin terminals that are the width of the narrow direction, and 2 that are point the length.
The 2 pin terminals that are the direction of the narrow width of the socket, jumper with a 16/18 AWG, and the horns should sound.
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If the horns do not sound, check the pin terminal #3 for +12 V DC ( hot all the time ) with a known good ground ( lug in the fender or the neg side of the battery.
If this checks OK, with the jumper in place, pull the horn connector,and check for +12 V DC on one of the pins, to a known good ground ( fender lug where the headlamps are grounded ).
Horns are behind the bumper on the passenger side, directly below the headlamp.
Next test the same, using both pins in the horn connector.
If you have +12 and ground at the horn connector, the horns are the problem for some reason.

If the horns honk doing the jumper test, work back towards the horn button / clock spring area.
Pin terminal #1 in the socket should be hot all the time, and the pin # 2 is what ground is switched to from the horn button, to activate the coil in the relay.

If you do not have ground at Pin #2 when pressing on the horn, try tilting the steering wheel all the way to the up position and try again ( some times the connector at the base of the steering wheel column pulls apart ).
If the tilt does not change getting ground to the horn relay, the next step would be to test the clock spring, but this requires removing the airbag, and really should be a professional job.

Nov 07, 2009 | 2001 Ford F150 Styleside SuperCrew

3 Answers

Having problem with horn. No horn.Fuse and relay good.


get two seperate wires and connect it to terminals of the horn then connect it directly to the battery and see if it will work. if not, then your horn is busted.

Jul 17, 2009 | 2004 Ford F150

1 Answer

2000 buick lesabre horn repacement aftermarket horn 2 wire connection 1 grounds to frame was 2 horns on car replacing to one horn. what is the right connection for this for one horn only?


So you have replaced the single horn and it still dosen't work ? both horns or just the one? The reason why the horns are grounded separately is the reason that both horns can operate without the other. double check that ground.

Jul 16, 2009 | 2000 Buick LeSabre

1 Answer

99 lincoln twoncar Horn doesn't work


Be sure to check your fuse first

Common problem. I had the same problem a couple of years ago. You have 2 horns located at the back side of the grill, in front of the radiator. I replaced mine with a couple of horns off of an old cadillac that my son wrecked.

To test your horn, you can run a wire directly from your battery positve post to your horn's wire terminal. (The horn is grounded to the body of the car thru the bolt attached to the horn bracket.)

Apr 06, 2009 | 1999 Lincoln Town Car

1 Answer

Would appreciate help for a Toyota Corolla 2007 non-working horn.


If the horn works with direct connection, and fuse, relay, and circuit breaker are all good, it's the switch in the steering wheel. If it is anything like the chrysler auto's, the switch and the air bag module is all one unit, can't replace just the switch, the whole thing, and it's about $700 to $800 for those units, at least it is here, and can only get them at a dealer.

Mar 24, 2009 | 2007 Toyota Corolla

1 Answer

Volvo S60 2005 horns not working


Remove the wire connector from each horn and attach a voltmeter or test light. Have a helper push the horn button while you check for voltage. If there's no power getting to the horns you have to work your way back to the relay checking for shorts. If there is power try holding the horns metal mount against a good ground like an engine bolt or the sub frame. And with wire reconnected have your helper try the horn again. If it sounds then clean rust away from mounting bolt and car (rad support or grill bracket), and look for a loose or broken ground strap to the rad support (from either the battery or engine). If both horns still don't work either they're clogged with snow or dirt (bring them inside to defrost or clean out), or they need to be replaced.

Feb 07, 2009 | 2001 Volvo S60

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