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Chevrolet Malibu Electrical/Lighting

186 messages,  Last post on Sep 23, 2009 at 10:20 AM

You are in the Chevrolet Malibu Forum. Your Hosts are pat & karens

What is this discussion about? Chevrolet Malibu, Lights, Electrical, Sedan


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#31 of 186
Re: Chevy Malbu window and blower problems. [cnotes] by e2helper
Jul 06, 2006 (7:58 am)
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Replying to: cnotes (Jul 06, 2006 6:24 am)

I haven't looked at one of these vehicles recently but it does require a bit of disassembly of interior trim around radio, steering column and instrument cluster in order to gain access to remove the switch.
#32 of 186
Now this is downright Scary... by kurtamaxxxguy
Aug 30, 2006 (9:55 am)
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While driving into work today, I tried to signal a left turn, and to my great surprise, BOTH turnsignals were completely dead. No flashing, no double flashing, nothing.
They just went DEAD.
 
(They had been working just fine earlier in the morning).
 
I turned left anway, then right. After having applied the brakes a couple of times, I used the turn signals again and this time they seemed to work ok.
 
E2 or anyone, what the heck is going on here? Is there some connection point that is going bad that would cause this?
 
I have NEVER owned a car where turn signals die and come back on like this.
#33 of 186
Re: Now this is downright Scary... [kurtamaxxxguy] by 3745
Aug 30, 2006 (11:45 am)
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Replying to: kurtamaxxxguy (Aug 30, 2006 9:55 am)

Join the club - its happened to me as well. I told e2 about it sometime last year but nothing came of it. The turn signals just started working on their own again after I restarted the car the next day. Scary if you're in San Francisco traffic. Hasn't happened again for a year or so. Could never figure it out. I think the stupid computer locks up and needs a reboot. Would answer all the other random events that happen. The other day my stupid economy meter was telling me I was getting 99 miles to the gallon. Who needs a hybrid? Now it's right again. They should put a reset button in these cars.
#34 of 186
Re: Now this is downright Scary... [kurtamaxxxguy] by meandmymaxx
Aug 30, 2006 (11:47 am)
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Replying to: kurtamaxxxguy (Aug 30, 2006 9:55 am)

Ya it's a little scary, mine has done it 3 or 4 times no turn signals or emerg flashers. And then pow everything is fine. I have never been able to figure out what causes it. 05 Maxx LT.
#35 of 186
Re: Now this is downright Scary... [3745] by butch100
Aug 30, 2006 (12:31 pm)
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Replying to: 3745 (Aug 30, 2006 11:45 am)

My 05 LT has on 4 occasions locked and unlocked the doors
  4-5 times in rapid succession, once after I got out of the
 car with it running to get sunglasses it locked me out of
 my own car! Luckily I was at home so i used the spare key
 to open the drivers door. I know if i bring it back to the
 dealer they will tell me " checks out fine now". These
 issues must be all related to the BCM (body control module
 ) The f-ing software in these things got more bugs than
 a hornet's nest...
#36 of 186
Re: Now this is downright Scary... [butch100] by 3745
Aug 30, 2006 (3:04 pm)
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Replying to: butch100 (Aug 30, 2006 12:31 pm)

I suggested to e2 that the BCM might be susceptible to radio transmission interference as from 2 way radios in cop cars or ambulances. I did notice at one time that my radio presets went wonky after an ambulance passed me.
 
I am an ex radio ham and I also worked on high power commercial medium wave, short wave, fm and television transmitters and know what radio interference can do.
 
If it is rf interference causing the problem a few decoupling capacitors in the right place on the car wiring would fix it up.
#37 of 186
Re: Locking/Unlocking. [butch100] by e2helper
Aug 30, 2006 (5:12 pm)
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Replying to: butch100 (Aug 30, 2006 12:31 pm)

Dealer has TSB 04-08-45-009 for a condition that falls into this category however it was written just for 2004 model year. . They should probably take a look at it though (wiring related not BCM).
#38 of 186
Re: Now this is downright Scary... [3745] by butch100
Sep 02, 2006 (10:09 pm)
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Replying to: 3745 (Aug 30, 2006 3:04 pm)

Well now my '05 won't lock or remote start via the FOB so
it's time for a trip to the dealer. I live 1/8th mile from
the city comm. tower so I tried it at 2 diff. spots, same
result. BTW my dad was into ham radio big time had a tech.
license at the time. When he cranked up his 3000 watt final
it could blast through anything!(telephones even a stereo
that wasn't on!
#39 of 186
Re: Now this is downright Scary... [butch100] by 3745
Sep 03, 2006 (2:12 am)
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Replying to: butch100 (Sep 02, 2006 10:09 pm)

I don't think people realize how susceptible electronics and computers are to rf interference. The key fob can only have an output of a few µ watts. The rear window has the antenna grid on it. The receiver in the car must be very sensitive because it responds to key fob commands from quite a distance. Now let's say an ambulance using its 2 way radio passes by. My experience tells me things could get ugly.
 
And yes, I know about the stereo blasting away even if it's switched off. It has happened to me as well. Of course once again I say I am just speculating as to what the cause of the erratic behavior of the BCM might be. Oh yes, I have also had the occasions where the car did not respond to either of the 2 key fob's commands and then out of its own started to work again!
#40 of 186
Jiggling headlight solution by maxx4me
Oct 06, 2006 (8:55 am)
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I just went to my local hardware store and picked up 4 rubber washers with a groove on the outside. The dimensions are: inner diameter 7/16; outer diameter 3/4; groove diameter 9/16; groove width 1/16. They fit in the sheet metal holes, with the metal holding the washer in place by the grooves in the washer. Simply plop your light housing back down and voila! Not sure what the dealer is doing to solve this problem but a second solution for those who don't have a hardware store that stocks odds and ends like grooved rubber washers: putting electrical tape around the plastic pegs on the bottom of the light housing works well too.

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