Panamera The 4-dour coupe by Porsche

Weird issues with horn on 2011 Panamera 4

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  #16  
Old 04-26-2020 | 03:29 PM
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Originally Posted by Stringbag
Yes, 12v.
Thank you for all the advice you’ve given each time I’ve asked on here!

I wanted to see which pin is + so I turned the IG ON and had my son press the horn while I measured the voltage output from the connector. There is a square side and a rounded side so you can only connect one way. The square side pin is the + side. I got 12 V on both high pitch horn and low pitch horn connectors so the horns must have failed somehow.

The local dealer pricing was $26x.xx. This includes the two new revised horns and two new connectors to splice in. I did not get them because I was concerned that it may not be the horns that failed until I verified so. If I find the printout the parts guy kindly gave I’ll post the part numbers. (I have a problem with misplacing things).

Rat3d M, is it possible you got the + and - side crossed when you connected the new horns?

Definitely test them before replacing the bumper/apron. (Apron is what the technical instructions call it).
 
  #17  
Old 04-26-2020 | 08:34 PM
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The updated part #s as promised:

970-635-021-02 and 970-635-022-02 for the horns
970-612-935-00 for an adapter, need 2.

I found the old part number on eEuroparts.com and am interested in ordering there. I am not fond of splicing because I am not very good at it. It's also the cheapest source compared to FCP Euro and Advance Auto (CarQuest where we live).
 
  #18  
Old 04-29-2020 | 04:02 PM
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Looks like I got the old part numbers from eEuroparts. Plugged them in, turned IG ON without starting the car. Pressed the horn and absolute silence!...
 
  #19  
Old 04-29-2020 | 05:15 PM
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Hi. I'm pretty sure the poles are reversed in the new horns. When I applied 12 V + to the rounded side and - to the square side of the horn it tooted. Now to try the horns on the car....
 
  #20  
Old 04-29-2020 | 05:32 PM
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Passenger side horn toots with poles reversed. Driver side dead both ways.
 
  #21  
Old 04-30-2020 | 03:56 PM
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Guess you are going to have to start tracing wires
 
  #22  
Old 04-30-2020 | 05:02 PM
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Originally Posted by Stringbag
Guess you are going to have to start tracing wires
The wires are good as far as I can tell. Kind of silly but the replacement horns require 12 V the other way, but the wiring is opposite for the old horns. Just gotta swap + to - and - to +...
 
  #23  
Old 05-01-2020 | 05:02 PM
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Got one pin out by pushing flat head into the holes next to the long sides of the metal clip while pulling on wire. Pics attached.


 

Last edited by jzchen; 05-01-2020 at 05:07 PM.
  #24  
Old 05-01-2020 | 05:05 PM
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  #25  
Old 05-01-2020 | 05:10 PM
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First you have to pry out the bright pink plastic clip:


 

Last edited by jzchen; 05-01-2020 at 05:20 PM.
  #26  
Old 05-01-2020 | 05:33 PM
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  #27  
Old 05-01-2020 | 08:57 PM
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congrats!, now clean out those leaves
 
  #28  
Old 05-02-2020 | 02:07 AM
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Originally Posted by DogWood
congrats!, now clean out those leaves
When videoing I was trying to avoid showing that the car needs a wash! Well, on the bright side, I’m glad you didn’t say I need to replace those condensers, (the things that look like radiators/with the fins if I named them correctly). They look pretty banged up from road debris, but that’s beyond my capabilities. I have a shop vac I bought in the last few months from Costco. I originally got it to suck out fuel from the engine valley when I pulled the fuel rail, but I found paper towels worked effectively to sop up the fuel. My son (14 yrs old) eventually used it to clean his room. I wonder if he’d let me use it for a dirty job like this....

 
  #29  
Old 05-02-2020 | 02:13 AM
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So, no need to buy those two adapters! (I got them on the way home Thursday morning, before I figured out how to pull the pins). It’s a much cleaner repair/install with no possible source of failure from splicing the wiring in! Wonder what the return policy is as they had them in stock?....
 
  #30  
Old 05-04-2020 | 12:05 PM
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Good thing these forums exist LOL

Mike
 


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