Key buzzer works, new door switches, no dome light - Team Camaro Tech
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post #1 of 17 (permalink) Old Jan 9th, 13, 11:30 AM Thread Starter
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Key buzzer works, new door switches, no dome light

New door switches on both sides. New tail light harness. New bulb. New fuse.

With key in and driver side door open, the buzzer works. With key in and passenger side door open, buzzer does nothing.

With either door open, key in or out, dome light doesn't work.

Cig lighter has power.

It looks like the harness for the dome light connects to the rear light harness behind the driver side quarter panel. I probed the both wires with a test light and if it has any voltage, it's not enough to light it up.

From what I can gather, the orange should always be hot with the white wire grounding at the door switches. Can anyone verify this as correct?

Looking for suggestions on where to start.

Thanks,
Jason

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post #2 of 17 (permalink) Old Jan 9th, 13, 12:03 PM
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Re: Key buzzer works, new door switches, no dome light

Key buzzer is for driver's door only ( 2wires, black & white)). Switch is on ground side of circuit. Sounds like a problem somewhere in the ground (white) side. Does the headlight switch turn on the dome light?


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post #3 of 17 (permalink) Old Jan 9th, 13, 12:09 PM Thread Starter
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Re: Key buzzer works, new door switches, no dome light

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Key buzzer is for driver's door only ( 2wires, black & white)). Switch is on ground side of circuit. Sounds like a problem somewhere in the ground (white) side. Does the headlight switch turn on the dome light?
Well that's good news, so that's working as expected.

No, the switch does not turn it on.

Here's a dumb question, the gauge cluster is currently out of the car with the plug hanging behind the dash. Does the power for this circuit go through that in any way?

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post #4 of 17 (permalink) Old Jan 9th, 13, 02:35 PM
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Re: Key buzzer works, new door switches, no dome light

if the rheostat control does not turn on the light a full click once there check for voltage and or a dead light bulb.


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post #5 of 17 (permalink) Old Jan 9th, 13, 07:20 PM
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Re: Key buzzer works, new door switches, no dome light

You're correct... The orange is hot all the time and the white grounds the circuit. looking at the 69 aim wiring it seems there is a tie point near the ignition switch that feeds the dome light, glove box light and cigar lighter. Assuming 68's are similar, if the cigar lighter works the dome light should as well..... if every plug from the front to the rear is connected.

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post #6 of 17 (permalink) Old Jan 10th, 13, 04:13 AM
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Re: Key buzzer works, new door switches, no dome light

Headlamp switch, white wire, grounds the circuit through the dash panel.
Door switches, white wire, grounds the circuit through the switch body screwed to the car body.
Each switch open, doors closed, and h/lamp CCW, white wire will have battery voltage on it.
When a switch is closed, white wire will be at ground potential and, as Jeff suggests, if all plugs are connected, light should work, if the switch bodies are getting a good ground.

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post #7 of 17 (permalink) Old Jan 10th, 13, 05:41 AM Thread Starter
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Re: Key buzzer works, new door switches, no dome light

I had the bulb out of the console light. Tossed a new one in and with the doors opened that works as expected going on and off. So it's definitely isolated to the dome lamp.

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post #8 of 17 (permalink) Old Jan 10th, 13, 09:14 AM Thread Starter
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Re: Key buzzer works, new door switches, no dome light

I actually have no idea what I did, but it now works.

I noticed there's a disconnected orange/white connector in the DS kick panel so I brought over a 12v source and was going to jump 12v to the white wire to see if that would get it to light up. As I was bringing it over the dome lamp went on.

What is this connector? Should it be plugged in? I looked and don't see any corresponding plugs around that are undone.

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post #9 of 17 (permalink) Old Jan 10th, 13, 09:24 AM
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Re: Key buzzer works, new door switches, no dome light

in the 69 wiring it seems there might be a connector at that spot for under dash courtesy lights. Somewhat confusing as it seems some of the options would be either/or depending on coupe or vert.

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post #10 of 17 (permalink) Old Jan 10th, 13, 10:42 AM
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Re: Key buzzer works, new door switches, no dome light

It is for under dash courtesy lights, which were standard on convertibles and optional on coupes.


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post #11 of 17 (permalink) Old Jan 10th, 13, 10:55 AM Thread Starter
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Re: Key buzzer works, new door switches, no dome light

ok, so it being unplugged doesn't affect anything then, that is good. Still blown away by what was causing the issues.

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post #12 of 17 (permalink) Old Jan 10th, 13, 11:09 AM
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Re: Key buzzer works, new door switches, no dome light

Internally fractured wire somewhere that you "reconnected" by moving the wire?

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post #13 of 17 (permalink) Old Jan 10th, 13, 11:15 AM Thread Starter
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Re: Key buzzer works, new door switches, no dome light

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Internally fractured wire somewhere that you "reconnected" by moving the wire?

alan
It's a new harness. The dash wiring is original but the rear harness which includes the dome lamp is brand new.

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post #14 of 17 (permalink) Old Jan 10th, 13, 11:21 AM
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Re: Key buzzer works, new door switches, no dome light

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It's a new harness. The dash wiring is original but the rear harness which includes the dome lamp is brand new.
I had the very same thing on Monday night. I think the contact between the bulb and finger-thingies just had some corrosion.

I literally just nudged the bulb a bit with my hand and it magically started to work. I attribute the fix to Zeus. Or aliens.

Either way it works now.


I've only had the car for 3 weeks but I'm finding that most of the old contact points for the wiring need some TLC to work well.

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post #15 of 17 (permalink) Old Jan 10th, 13, 05:31 PM
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Re: Key buzzer works, new door switches, no dome light

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or aliens.
x2

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