Oldsmobile Silhouette:

interior lights

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# 1  4/19/2010 12:03 AM

cdunnauto
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Registered: 4/18/2010
Posts: 2

interior lights

interior lights are off.  information panel, radio lights, all other lights working.  checked fuses. they check out OK.

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# 2  4/19/2010 3:07 AM

TechHelp2
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Registered: 11/24/2009
Posts: 1301

Re: interior lights

We need more information. What year is the van? The more information you provide the better we can help you.


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# 3  4/19/2010 6:37 PM

cdunnauto
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Registered: 4/18/2010
Posts: 2

Re: interior lights

Interior lights out on 1999 Oldsmobile Silhouette.  Just cargo, reading, and other lights in the seating area.

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# 4  4/19/2010 10:48 PM

TechHelp2
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Registered: 11/24/2009
Posts: 1301

Re: interior lights

Try checking the interior lamp override switch; this should be the first thing to check.

The interior lamps override switch is located in the overhead console switch bank. Pressing the symbol on the bottom of the rocker switch overrides the control of the interior lights. This action interrupts the voltage supply from CKT 1393 to CKT 328, deactivating all of the interior lights.

If this doesn't help get back to us and we will have to dig deeper into the wire schematic.


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# 5  7/15/2010 10:12 PM

Anubis
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Registered: 7/15/2010
Posts: 2

Re: interior lights

My parents are having the same problem with the same year van we have ,tried that switch with no luck (that would have been the best fix ever lol) so any other ideas would be great. We were looking into the BCM but not sure if were barking up the wrong tree.

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# 6  7/16/2010 3:12 AM

TechHelp2
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Registered: 11/24/2009
Posts: 1301

Re: interior lights

If you don't have current to the interior lights at the light bulbs themselves, then it is possible that the BCM circuit that controls the interior lights is bad.

There is a circuit called Inadvertent Battery Rundown Protection in the BCM.

If at one point you might have left the lights on this control will allow the lights to be on for about 11 minutes, and then shut them off so it won't kill the battery. If this circuit is faulty then there won't be power supplied to the lights from the BCM.

The operation of these lamps is described as part of the interior courtesy lights operation. The BCM provides power and ground to these lamps controlling their operation.

With further investigation on this problem this may be the only fix, replacing the BCM.

If you can let us know how you make out.


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# 7  7/25/2010 12:48 AM

Anubis
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Registered: 7/15/2010
Posts: 2

Re: interior lights

well were having trouble locating the BCM and insight would be appreciated

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# 8  7/25/2010 4:05 AM

TechHelp2
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Registered: 11/24/2009
Posts: 1301

Re: interior lights

Remove the right side instrument panel insulator. It appears to be under the dash on the right side. It has two multi-wire plugs.


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