radio and dash light turn off when headlights turn on

Old 04-07-2009, 11:40 PM
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radio and dash light turn off when headlights turn on

I just finished up the non-navi to navi conversion. What i noticed is when i turn the headlights or even parking lights on, the radio and cluster lights turn off.

I saw the dash and radio light flicker on for a sec. but immediately turned off.

I checked the fuses and they're still fine. Is there a loose ground possibly?
Old 04-07-2009, 11:59 PM
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is your dimmer switch turned to the max brightness?
Old 04-08-2009, 12:06 AM
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dimmer switch is turned to max brightness.

power seems to cut out for the cluster, radio, and climate control light when parking/headlights turn on.
Old 04-09-2009, 12:17 AM
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anyone with any ideas?
Old 04-09-2009, 12:28 AM
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you battery's load capacity has depleted too much to support everything when the lights are on?
Old 04-09-2009, 02:24 PM
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Originally Posted by EliteDemon
you battery's load capacity has depleted too much to support everything when the lights are on?
I hope you're right.
i'll test out this theory and drive around for a bit later this evening.
if that doesn't help, off to my mechanic it goes
Old 05-29-2009, 01:28 PM
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After two months or so, i haven't fixed this issue (it wasn't the combination light switch).

Does this sound like a bad multiplex on the driver side?
Old 07-18-2022, 10:54 PM
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Pull the corresponding DRL fuses. I have 17” TLX V6 Tech. Interior panel fuse no 2 and 27 for parking. BAM! That simple. Lol. Goes old school. But always no DRL.
Old 07-18-2022, 11:18 PM
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Originally Posted by Tony Marr
Pull the corresponding DRL fuses. I have 17” TLX V6 Tech. Interior panel fuse no 2 and 27 for parking. BAM! That simple. Lol. Goes old school. But always no DRL.
I don't think the OP needs the help after all this time has passed. But I hope it helps some one else out who comes across this issue lol.
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