Rear Defroster Burnt Wire Fix Write Up - Page 2 - Chevy Impala Forums
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post #16 of (permalink) Old 03-07-2011, 08:17 PM
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Thanks for this great write up with pictures. I will bet this is what is wrong with my rear defroster and if it is will be the second time this forum has helped me figure what was wrong and fix my 2006 impala. This has turned out to be a great forum. Thanks to all who have imput. Jerry
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post #17 of (permalink) Old 03-08-2011, 08:18 AM
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As for the fuseholder catching on fire, I can think of two things. It is possible that the tabs that attach the defroster wire to the window have deteriorated, this can cause additional resistance in the circuit as can a ground that has become corroded, or any additional connectors which might be in the circuit (not sure if there are any additional ones) Any additional resistance will increase the amp draw. While I can't say the Impala has the problem with the tabs, I have encountered a few GM vehicles from the late 90s-early 2000's with that problem.

Also, make sure you are using fuses that are manufactured by a reputable company such as Buss. Avoid the "bargain packs" of off-brand fuses you sometimes see at the parts store real cheap, some of them are not made to the same standards and I have heard stories of burnt wiring after using those kinds of fuses.

In any case if the new fuseholder catches on fire there is obviously a bigger problem, and the fact that this generation Impala bypasses the defrost timer once you reach about 42 MPH and leaves it on continuously does not help this problem.
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post #18 of (permalink) Old 03-08-2011, 11:27 AM
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Well, thanks for acknowledging my concern. I will have to just keep tracing wiring till I find the problem...

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post #19 of (permalink) Old 03-09-2011, 02:33 PM
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I finally got time to look at my plug today and found the same thing that 84 convertablegt posted. If I took pictures it you would thing they were the same pics he posted. Will wait and see if my fix works as well as his. Thanks again Jerry
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post #20 of (permalink) Old 04-03-2011, 11:01 AM
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Many Thanks

Wonderful Write-up! I was able to do the fix in under 10 minutes at a cost of $3.50.

Thank you!!!
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post #21 of (permalink) Old 09-15-2011, 05:59 PM Thread Starter
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glad to see this fix has worked for other people. to the poster who had the new fuse melt: sounds like something else is wrong with the element in the back. almost seems like a short, but it should definitely pop the fuse first! that's crazy. I had the car for about six months after the fix and it worked great the whole time, and it was heavily used during the winter. my brother in law has had 2 other impaled with the exact same problem. it's crazy that chevy hasn't actually addresses the issue.
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post #22 of (permalink) Old 10-02-2011, 07:53 AM
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I checked the plug on my 06 impal and the same thing is wrong going to fix this today.Has anyone contact gm about this problem? Thanks for the posting and pic i been tring to find the problem for a year now
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post #23 of (permalink) Old 10-02-2011, 09:50 AM
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follow up on fixing my rear defroster it is all fixed and the fuse got warm but did not get hot so the person who had a problem of get hot and catching on fire check your rear window connecters
thank you again on the pic and info
p.s. the wire colors on my 06 impala was purple on the front side and black on the back side
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post #24 of (permalink) Old 10-03-2011, 09:12 AM
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Rear Defrost

Another one fixed. Thanks for the great write up.
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post #25 of (permalink) Old 10-04-2011, 10:05 AM
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follow up on the rear derfroster everyone needs to call gm to put in a claim so this will be a recall i called gm to today and spoke to a lady she said to have everyone call in to put in a claim so they get enough people to make it a recall... here is the number 1-866-790-5700 ex.41141 ask for Lekeia
please call... this is a fire hazard just think if your kids are in the car and it cought fire... if you fixed it your self please still call you could save a life


thank you
impala owner and a firefighter
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post #26 of (permalink) Old 10-08-2011, 04:28 PM
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Hi,
I have a 2007 impala with the exact same issue. I just called and talked to Lekeia. Great lady and more than willing to help. Still not enough complaints to make a recall. Hopefully more people will actually call.

Thanks,
Mike
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post #27 of (permalink) Old 10-10-2011, 07:23 AM
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Hello all,
Thank you for being proactive and bringing this concern to our attention! Iím making a note of it on my end as well.


Sarah
GM Customer Assistance
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post #28 of (permalink) Old 10-19-2011, 06:33 AM
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Smile rear defrost

tried this last night and it worked, thanks man finally i have a rear defroster again.http://www.impalaforums.com/images/smilies/clap.gif
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post #29 of (permalink) Old 10-30-2011, 11:02 AM
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Just wanted to thank the op for making this. Saved my parent's a little dough.

Very easy job, though I ran into a problem. I ended up going with a inline fuse holder I had laying in the garage simaliar to this but with a clear plastic housing. It was #12 wire with a 30a 32v agc style fuse



It ended up getting really hot and started to effect the housing in minutes. All connections were soldered. I checked the tabs on the rear window and they were intact. So I was a little pissed and decided to get a different type of fuse holder.

Simaliar to this. It was a 30a 32v buss inline holder.



So far so good. Ran it for the 10minutes till it automaticly turns off and all seems well. It gets a little warm but I can touch the fuse with my fingers w/o feeling any sensation of pain.

Thanks again guys.

Last edited by sbcaprice305; 10-30-2011 at 11:19 AM.
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post #30 of (permalink) Old 10-30-2011, 07:44 PM
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speaking of saving money, when I originally went to the dealer to see the cost of new wire harness plus installation dude told be it be around $300, I'd say we saved some dough.



"If you went in the same direction as everyone else,
then you'd be normal."
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