Flashing dome light - 99 Astro Van

Flashing dome light - 99 Astro Van

Postby gblum19 [OP] » September 23rd 2011, 5:25am

This morning when driving to work I heard a clicking sound (like a relay) under the dash maybe near the steering column. I didn't pay too much attention to it. On the way home it continue to happen. I also noticed that the dome light was turning on and off with each click. This was probably happening in the morning, I just didn't notice until my twilight drive home. The pattern was totally random, going from very rapid flickering, to solid on, to completely off. I could not find a pattern based on driving, stopping, turns, bumps. I tried to use the dome override and nothing happened, the flickering continued. All the doors were closed tight. At a stoplight, I opened the driver door and depressed and released the driver door switch repeatedly and that had no effect. I rolled the dash dimmer from on to fully dimmed several times and that had no effect. Sorry I don't have more info, I'll to note more detail tomorrow. Any thoughts?
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Re: Flashing dome light - 99 Astro Van

Postby chevymaher » September 24th 2011, 10:32pm

Sounds easy enough.Find what is clicking in the dash and replace it.Really it is saying here I am.
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Re: Flashing dome light - 99 Astro Van

Postby Phantom » September 24th 2011, 11:43pm

You likely have relay clicking , either gone bad or a short somewhere cause it ,

there is relay for DRL, and door lock relays
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Re: Flashing dome light - 99 Astro Van

Postby gblum19 [OP] » September 25th 2011, 4:28am

chevymaher wrote:Sounds easy enough.Find what is clicking in the dash and replace it.Really it is saying here I am.

Oh - okay. I thought something was triggering the relay and it wasn't the relay itself. Of course the problem was gone (for now) the next morning.
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Re: Flashing dome light - 99 Astro Van

Postby Lumpy » September 25th 2011, 5:10am

Low battery voltage will do that. Same as like when you have a nearly dead battery
and your starter solenoid clicks but won't make the trip. Relay same. No voltie,
no clickie. Lil voltie, lotta clickie. Nuff voltie, one clickie.


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