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interior lights help

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Old Jan 9, 2008 | 02:26 PM
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Default interior lights help

I am having problems with my interior lights,back lighting for my hvac controls and the red accent lights in the doors do not light up along with the mirror accent light .Courtesy lights in the door light normal,when courtesy lights are turned on at the light switch they work normal.I checked all the fuses and they are ok,also the back lighting on my headlight switch do not work.Where do I go next???

Last edited by keepers15; Jan 9, 2008 at 02:30 PM. Reason: adding
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Old Jan 9, 2008 | 08:51 PM
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Doesn't make any sense, does it? You definitely have a grounding problem. Your FSM Electrical Manual explains that most switches, switch to ground. Just the opposite than your house.
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Old Jan 10, 2008 | 07:51 PM
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Silly question have you checked the bulbs? I thought the doors and mirror orange light and white light was the same bulb but I found out mine were just blown....
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Old Jan 11, 2008 | 12:23 PM
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Default interior lights

Originally Posted by EvanD
Silly question have you checked the bulbs? I thought the doors and mirror orange light and white light was the same bulb but I found out mine were just blown....
all the bulbs are good,I am not getting any power to these lights.What I need to know is where the power comes from to the red accent lights?
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Old Jan 11, 2008 | 03:37 PM
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Originally Posted by keepers15
I am having problems with my interior lights,back lighting for my hvac controls and the red accent lights in the doors do not light up along with the mirror accent light .Courtesy lights in the door light normal,when courtesy lights are turned on at the light switch they work normal.I checked all the fuses and they are ok,also the back lighting on my headlight switch do not work.Where do I go next???
On our 94 coupe, when the headlight/parking light switch is turned to the parking light position, the door and mirror soft orange lights come on. Interestingly, when the door is opened, those lights go out.

So, looking quickly at the FSM schematics, I would suggest checking your door switches and the ambient light sensor.

To test the door switches, with door closed, simply turn key on, turn on radio, turn off key, and then open door, does the radio go off?

To test the ambient light switch, refer to FSM page 8A-114-10 (i.e. put ccm into diagnostic mode and review parmater 3's readings).
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Old Jan 11, 2008 | 08:17 PM
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your dimmer switch is bad. it is ac delco part #d1509b. to the left of steering collum under dash. looks like a silver heat sink. also call incandesent power driver
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Old Jan 12, 2008 | 03:58 AM
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Default interior lights

Originally Posted by hustled4
your dimmer switch is bad. it is ac delco part #d1509b. to the left of steering collum under dash. looks like a silver heat sink. also call incandesent power driver
I checked more today and ran a jumper wire to the red lights on the headlight switch and they came on(gray/black&purple/white on the fog light part of the switch),I could not find any power running to these wires, I will use multimeter today and find why the power is not getting to them.I will post what I find!
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Old Jan 15, 2008 | 02:30 PM
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Default interior lights

[QUOTE=keepers15;1563587230]I checked more today and ran a jumper wire to the red lights on the headlight switch and they came on(gray/black&purple/white on the fog light part of the switch),I could not find any power running to these wires, I will use multimeter today and find why the power is not getting to them.I will post what I find! Ambient power driver replaced,red accent lights repaired.Thank you Theadmiral94,hustled4 (ambient power driver) part#d1509b
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Old Jun 10, 2008 | 11:15 PM
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I have a 1992 LT1 with an interior light problem also! The lights work fine when turned on by the dimmer switch, but they do not come on when the doors are opened. Is my problem with delco part #d1509b also?

Last edited by EGT1; Feb 22, 2009 at 08:45 PM. Reason: Update
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