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Wiper motor noise through speakers

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Old May 28, 2016 | 06:30 PM
  #1  
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Default Wiper motor noise through speakers

Alright so I just got in my jeep and hit the wipers/sprayer and with the stereo on, I can here the frequency of the wiper motor static.. Just started it this morning. Was curious if anyone has seen this before and had any suggestions on where to check before I rip the whole jeep apart.. lol

Thanks in advance!
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Old May 28, 2016 | 07:08 PM
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From: Oroville, CA
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Aftermarket or factory radio?
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Old May 28, 2016 | 07:12 PM
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That's usually a problem with your grounds.

Check the ground on the radio, and on the wiper motors. Don't just look at them, take them apart, and since you have them apart already, clean them thoroughly (bare, shiny metal), and put a coating of dielectric grease on them, put them back together.

Try that and report back.
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Old May 28, 2016 | 07:14 PM
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Originally Posted by Bustedback
Aftermarket or factory radio?
Factory but someone installed an aftermarket before then put the original unit back when I bought it.
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Old May 28, 2016 | 07:15 PM
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Originally Posted by BlueRidgeMark
That's usually a problem with your grounds.

Check the ground on the radio, and on the wiper motors. Don't just look at them, take them apart, and since you have them apart already, clean them thoroughly (bare, shiny metal), and put a coating of dielectric grease on them, put them back together.

Try that and report back.
Ok I'll give that a check! Where's the ground for the wiper motor?
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Old May 28, 2016 | 07:53 PM
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I strongly dislike previous owners... I pulled the stereo out and couldn't find the ground wire, so I reached way back and its capped off? I grounded it and the stereo sounds better than it did before and of course no more RFI! I'll report back if it happens again. Thank you guys!
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Old May 28, 2016 | 10:13 PM
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Yeah, that'll do it!

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Old May 28, 2016 | 10:22 PM
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Originally Posted by BlueRidgeMark
Yeah, that'll do it!

Gotta love previous owners and janky wiring
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