Electrical short? Horn,High Beams and Wipers all on at once

kzoom83 · Jan 25, 2011

Went to unlock the car (07 mazda 3) and the alarm went off. The keyfob wouldn't turn it off so I got in and started it. Drove about 5 min and then the highbeams came on, the horn stuck on and the front and rear wipers came on all at once. Pulling the turn signal turned off the highbeams and horn but not the wipers. Thoughts? Anyone have similar experience?

kzoom83 · Jan 25, 2011

Well I took it to the dealership today and they told me that microcomputer in the junction box under the hood was corroded from moisture. They cleaned it up and said that it could be fine for a week or for years. Replacement cost is $900. Hopefully it holds up and hope this post helps someone who runs into this in the future. The next step is finding out where the moisture came from.

Electrical short? Horn,High Beams and Wipers all on at once

kzoom83

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kzoom83

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