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Thread: Corroded connector in cabin causing warning lights to come on. FIX: relocate it

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    Senior Member Fummins's Avatar
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    Corroded connector in cabin causing warning lights to come on. FIX: relocate it

    I guess I'll just start one thread about all the different problems I've had on different cars that had corrosion issues at a certain wiring connector. Maybe a grown up(admin) can merge my other post's when I figure out where they went? The connector with the problem is behind the Left kick panel. Right at the bottom. (I dunno if it'd be in the same location for a right hand drive car?) They had recalls at one time to put a plastic shield in there to deflect water or something but either it didn't get done on these cars or it didn't work. If you relocate the connector before any sign of problems you may save yourself some headaches down the road.

    One 2015 Mirage had the abs and brake warning light come on randomly, the traction control light would stay on randomly as well. The brake lights at the rear of the car would randomly come on and pulsate when the key was in the run position. It would throw an error code for the brake light switch. The dealer replaced the switch and kicked it out the door. It didn't fix it, I brought the car back and they wanted to order a new etacs for around $1000 and hope it'd fix the problem. I told them no, picked up the car and replaced the connector.

    Another car 2015 had an airbag light on constantly. The trouble code stored was for the lh front airbag impact sensor. I swapped the sensors right to left on the rad support. The same code re-appeared. I removed the Drivers side kick panel moving the connector a little in the process. This caused pretty much every warning light on the dash to come on, the car would barely run. Cut the connector out of the harness and soldered the wires together. Fixed.

    Had another 2015 last week come in with the brake warning light on. This one was the worst I've seen so far. One pin in the connector was completely corroded away and a few others were in pretty bad shape. I was really surprised this car didn't show any other problems.

    Today I got told about 2 more cars. This time 2017's. Both have the low washer fluid lights on and one car has the brake warning light flickering. IIRC the one car had the same problem about a year ago and the dealer was clueless(big suprise). They said they ordered a new speedo cluster and would call when it came in. Well, I forgot about it and the driver at the time said the lights went away eventually. But now they're back. Now the car is past warranty. I'll just fix it myself, it's just far less hassle than dealing with our dealer's incompetence.

    I'll add some pics here eventually. One note though if anyone ever replaces the pigtail or cut the entire connector out. Do one wire at a time. The colors don't match up on some wires and many of the wires are the same color with the same tracers just to make it more complicated. Oh and I found a couple that weren't even used and taped them off.


    Last edited by MetroMPG; 03-18-2019 at 09:34 PM. Reason: (added info to title)

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage SE 1.2 automatic: 36.4 mpg (US) ... 15.5 km/L ... 6.5 L/100 km ... 43.7 mpg (Imp)


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    Senior Member Fummins's Avatar
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    I'll save this spot for later. K here’s a pic of the connector.(pic should be rotated counter clockwise 1/4 turn Name:  A1EB474C-C37E-4784-B85B-E1DA4C2AF0A1.jpg
Views: 294
Size:  79.6 KB and here’s where it’s located. Directly below the hood release at the very bottom.(and this one should be clockwise 1/4 turn...)The white connector on the end(bottom){rh} Name:  0801678C-48DF-464B-A35F-086E7B744BCB.jpg
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Size:  94.4 KB
    Last edited by Fummins; 03-13-2019 at 10:46 PM.

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage SE 1.2 automatic: 36.4 mpg (US) ... 15.5 km/L ... 6.5 L/100 km ... 43.7 mpg (Imp)


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    Do you think treating the connector terminals with Dielectric grease would prevent the corrosion? My 2017 has less than 1,700 miles. I might pull off that kick panel and take a look in there before I develop a problem. I could try to be proactive and coat the connector terminals with Dielectric grease.

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    Quote Originally Posted by MirageSEFan View Post
    Do you think treating the connector terminals with Dielectric grease would prevent the corrosion? My 2017 has less than 1,700 miles. I might pull off that kick panel and take a look in there before I develop a problem. I could try to be proactive and coat the connector terminals with Dielectric grease.
    I'm thinking the same on my 2018... putting the Dielectric grease on it & also coating the harness & area with the Krown rust proofing spray...

        __________________________________________

        click to view fuel log View my fuel log 2018 Mirage GT 1.2 automatic: 38.6 mpg (US) ... 16.4 km/L ... 6.1 L/100 km ... 46.4 mpg (Imp)


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    Moderator Eggman's Avatar
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    Quote Originally Posted by Fummins View Post
    Maybe a grown up(admin) can merge my other post's when I figure out where they went?
    Ugh so demanding.

    Brake warning light

    Airbag light B1419, B1418

    Abs light


    When are youins gonna pick a new name.
    Last edited by Eggman; 03-12-2019 at 09:36 PM. Reason: Added ABS light

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.8 mpg (US) ... 21.2 km/L ... 4.7 L/100 km ... 59.9 mpg (Imp)


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    Senior Member Fummins's Avatar
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    Thanks grown up!

    And never!

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage SE 1.2 automatic: 36.4 mpg (US) ... 15.5 km/L ... 6.5 L/100 km ... 43.7 mpg (Imp)


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    Moderator Eggman's Avatar
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    So what did you have in mind regarding merging your other posts? There's lots of discussion in those threads. How about including the relevant info here for starters?

    Quote Originally Posted by Fummins View Post
    Attachment 13828 this might be the problem. Connector c-212. This is the lowest connector clipped to the kick panel below the hood release handle. A lot oh stuff runs through it, the lf airbag sensor being one of the wires. Thankfully I scanned it when the airbag light first came on, cause now I still can't get any communication to any modules. Car runs better when I push both ends of the plug together.
    Let's get more pictures of these connectors.
    Last edited by Eggman; 03-12-2019 at 11:42 PM.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.8 mpg (US) ... 21.2 km/L ... 4.7 L/100 km ... 59.9 mpg (Imp)


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    Senior Member Fummins's Avatar
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    Good point. I don't haven't had time to weed through the threads or post any new pics I took today. I suck at the internet right now.

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage SE 1.2 automatic: 36.4 mpg (US) ... 15.5 km/L ... 6.5 L/100 km ... 43.7 mpg (Imp)


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    Moderator Eggman's Avatar
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    It's not just a request for more pictures from only you but anyone else who has this problem. I can imagine there's many more out there.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.8 mpg (US) ... 21.2 km/L ... 4.7 L/100 km ... 59.9 mpg (Imp)


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    As Fummins said, there's and old thread about the recall concerning corroding connectors behind the kick panel. I think Fummins started it and it was called " Keep your floors dry" or something similar.

    The carpet on these cars lets water through, unlike the very similar but impervious carpet on Suzuki's that is thickly PVC coated on the back. The wetness on our carpets gets to the connectors behind the left kick panel and causes havoc.
    On mine, I have put plenty of vaseline (petroleum jelly) over the connectors where they mate and on the wires leading away. Additionally there is a sheet of plastic around them. That was years ago, and they have kept in perfect condition since.

    With the connectors like in fummins picture, there will also be corrosion between the actual wire and the connector-pin itself, which will inevitably cause problems.


    Last edited by foama; 03-16-2019 at 07:43 PM.

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