burnt plug
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=118034
Printed Date: April 23, 2024 at 12:07 PM
Topic: burnt plug
Posted By: Calster
Subject: burnt plug
Date Posted: November 26, 2009 at 9:12 PM
I recently installed a rs into a friends 02 Sunfire. Upon removing the drivers kick panel, I noticed a green plug which had been very hot at one time. One of the five wires in the plug melted through the plastic.I tested each wire, two of them show +12v with key on. The wire that did the damage is 12 guage and had no power when I tested. The rest of the wires are 14 guage. Anybody recognize it ? 
Replies:
Posted By: robertsc
Date Posted: November 26, 2009 at 9:30 PM
That is your defrost wire very common for that to happen. Butt connect the two wires and call it a day
Posted By: Calster
Date Posted: November 26, 2009 at 10:38 PM
Thank You
Posted By: KarTuneMan
Date Posted: November 26, 2009 at 10:41 PM
How could that be common? Really?
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Posted By: robertsc
Date Posted: November 27, 2009 at 7:30 AM
whatever!
Posted By: robertsc
Date Posted: November 27, 2009 at 7:30 AM
really!
Posted By: salden77
Date Posted: November 27, 2009 at 11:28 AM
My 06 gmc sierra had a similar problem, burnt out the wire harness going to the blower motor relay, maybe its a gm thing.
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salden77
Posted By: metz35
Date Posted: November 27, 2009 at 4:42 PM
also seen it before.. in cavalier.... no wonder they are going under
Posted By: KarTuneMan
Date Posted: November 27, 2009 at 10:53 PM
metz35 wrote:
also seen it before.. in cavalier.... no wonder they are going under
GM..... government motors.  -------------
Posted By: metz35
Date Posted: November 28, 2009 at 8:10 AM
thats why i buy foreign, no wonder our economy is garbage, when you cant even buy an american car without the fear of standing on the side of the road watching it burn. if would just put the time and effort in the cars that we do into our clothes.. it would be all good...lol
Posted By: chriswallace187
Date Posted: November 28, 2009 at 2:10 PM
Honestly, I'm wondering who's really to blame here - did GM use a connector they knew to be inadequate? Or did the supplier(Delphi most likely) rate it to handle 30 amps without enough testing?
Sort of inclined to blame GM - I've seen this on my '79 Monte Carlo too with the main power feed to the blower motor.
To be fair I've also seen it with the headlight ground wire on my sister's '99 Mitsu Galant (too small of a wire, which melted itself and the connector after a while. I'd imagine Mitsubishi realized this because the dealer's replacement plug/pigtail harness had 14 gauge wires, where the original wires on the car were 18 gauge.
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C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two
Posted By: ckeeler
Date Posted: November 29, 2009 at 5:21 PM
KarTuneMan wrote:
How could that be common? Really?
don't work on many GM's eehhh KTM?
Posted By: ckeeler
Date Posted: November 29, 2009 at 5:32 PM
chriswallace187 wrote:
Honestly, I'm wondering who's really to blame here - did GM use a connector they knew to be inadequate? Or did the supplier(Delphi most likely) rate it to handle 30 amps without enough testing?
Sort of inclined to blame GM - I've seen this on my '79 Monte Carlo too with the main power feed to the blower motor.
To be fair I've also seen it with the headlight ground wire on my sister's '99 Mitsu Galant (too small of a wire, which melted itself and the connector after a while. I'd imagine Mitsubishi realized this because the dealer's replacement plug/pigtail harness had 14 gauge wires, where the original wires on the car were 18 gauge.
it's GM's fault all the way. Delphi builds connectors/ harnesses for tons of stuff out there including construction equipment and commercial trucks, you know whats funny? the connectors on all that other stuff works, you see failures like these on GM's all the time. GM's engineers (haha! my ***) decide how heavy of a wire, what kind of terminal and connector is needed for any given circuit. that info is only given to Delphi and they build it to GM's specs. GM decides not Delphi. Delphi is only the suppling vendor. Why would GM try and use the lightest wire and connectors/terminals as they can (somewhat) get away with? it costs less. 70% or maybe more of almost any GM out on the road has this same problem with fuel pump connectors at the pump, they have for years.
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