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Sedans Chevrolet Malibu Chevrolet Malibu Electrical/Lighting
186 messages, Last post on Sep 23, 2009 at 10:20 AM
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Replying to: rvoth (Feb 18, 2007 8:51 pm) When you try to operate the left turn signal does the indicator in the instrument cluster flash fast (indicating the BCM is sensing a problem)? Just to make sure it isn't a ground problem does your back-up lamp work on that side? The marker lamps might be working because they are lower power filament and getting grounded through the other lamp filaments.
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Replying to: e2helper (Feb 19, 2007 3:57 pm) The back-up lamp works on both sidesand I noticed that the blub was grey looking on the glass but the element wasn't broken. What is the BCM? What does it control ? Thanks Russ
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Replying to: rvoth (Feb 19, 2007 6:42 pm) I should have suggested putting your foot on the brake when you turn on back-up lamps. If left rear back-up lamp still illuminates then I guess the potential problem with your left rear lamp is either the wiring from BCM to the lamp or with BCM itself.
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Replying to: e2helper (Feb 19, 2007 8:00 pm) Where is this Body Control Module located, in the trunk near the fuse box ? Thanks Russ
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Replying to: rvoth (Feb 20, 2007 5:56 pm) So for left rear stop lamp the wire color is Yellow. At BCM (red connector) it is in cavity A9 going to Rear BEC White Connector cavity B2 and then coming out of Rear BEC (red connector again) cavity C11 going to rear lamp cavity B. In addition to acting as a fuse/relay center the rear BEC is used as a junction point for multiple wiring harnesses to come together (in this case the rear lamp, body and headliner) so the rear left turn signal circuit just passes thru the cavities mentioned to get from main body harness to rear lamp harness. I am just laying out the access points. Hopefully you understand how you would actually test for continuity to ground. I don't want to have to try to explain that 
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Replying to: e2helper (Feb 20, 2007 6:19 pm) The only people that could have moved the wires is the body shop when they replace the left truck hinge, maybe they disturbed the wiring harness! Out comes the voltage/ohm meter to test the for continuity.
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Replying to: rvoth (Feb 21, 2007 8:05 pm)
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Replying to: e2helper (Feb 22, 2007 3:51 am)  . Do you have to push hard to engage the bulb into the socket because when i took out the old bulb it wasn't hard to remove so i didn't push hard to engaging it. Only time will tell if any other problem arises on this signal. It's hard to believe it was just the wagner bulb from the factory! Thanks for all the info regarding this issue, it will come in use soon. Russ |
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Sorry if anyone else has a thread on this yet. I only found other models that don't relate. I have some major rear light issues on my 05 Malibu Classic. Right after a big snow fall, poof , my directionals went. Next a week later my hazzards are gone. I checked all bulbs and tried replacing the hazzard switch. No luck. I do have running and brake lights but no signals. I pulled the tail light bucket out and noticed something weird. Looks almost like a built in fuse. Has anyone seen these or had trouble with them? I know the moisture in the assembly is common. And I do have moisture there. I'm tempted to buy a new socket and see what happens. But if I can get advice first, I'd really appreciate it! Thanks Dug |
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