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Horn Relay Location

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Old 03-13-2007, 05:44 PM   #1
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Horn Relay Location


I've searched everywhere but I cannot find where the horn relay is located on this truck. Can anyone tell me where it is?

'91 Toyota SR5 Pickup
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Old 03-13-2007, 06:44 PM   #2
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Bump. Need to know also. Have been meaning to put a horn in it for a year or so now...
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Old 03-13-2007, 06:49 PM   #3
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I believe its drivers side under the dash, but ??? Not 100% sure
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Hmmm, dunno. Ask the oem Nazi DC.
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I'll cut you.
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Old 03-14-2007, 08:20 AM   #4
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On a 95 truck it's on the main fuse panel under the driver side dash, probably the same on a 91.
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Old 11-11-2015, 12:38 PM   #5
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87 4Runner

How about in an 87 4Runner. I've tested the horn itself(working) and the padded horn switch on steering wheel(working).... Now I'm told it's either the spring loaded contact under the steering wheel that maintains contact as the steering wheel is rotated or the horn relay. I'd like to find the horn relay first as I'm told the contact is a pain to deal with.

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Old 11-11-2015, 02:57 PM   #6
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You can replace the brass ring from the dealer. I am almost sure there is no relay. If you can take a wrench and touch the steering shaft and the little ring around the steering shaft and it beeps, it is in the button and the spring and brass ring. I use a .22 shell over the spring. I have changed the spring but it takes some finesse as there isn't a whole lot of room.

Below is copied from my thread.
Plate horn contact part # 84312-20011. $4.98 through an online Toyota discount parts dealer.

Here is a better picture of the Brass Ring and my pointer finger is what makes contact to sound the horn. I just clean them with some fine grit sandpaper.
Click the image to open in full size.

Click the image to open in full size.

Got the horn to working. I used a .22 shell to make the contact to the steering wheel. I found this on Yotatech and like it better then how I used to fix my horns. I have it listed on my 88 4Runners build thread for more details about getting the horn to work on the first page.
Click the image to open in full size.

Testing horn
Another thing I got fixed on my 91 was the horn. I know this happens alot and hopefully this will help some in the future. Pull the steering wheel with a Steering Wheel Puller that you can usually rent from a parts store for free. Then check it by touching the brass spring in the 11 oclock postion. I just used my wrench. If it honks it is most likely the brass ring on the back side of the wheel. Not the best picture but you should get the idea.

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