LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Radio issue

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Old 10-06-12, 10:53 PM
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PaNdAnon
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Default Radio issue

So, I have an aftermarket radio in my car since the stock one wasn't working(last owner managed to lose the volume **** ). I used the plug and play harness for the radio. Since I've put in the radio it would randomly turn on and off. Sometimes it won't even turn on at all. I have even changed my radio out with a known working one and it still behaves the same. I Changed my battery and checked the whole charging system. Everything checks out fine. No interior lights flicker at all. I haven't looked at the fuses as of yet, but I feel like that couldn't cause the radio to turn on and off.

It's a 1990 LS400
Old 10-07-12, 02:06 AM
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PureDrifter
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...did you pull the harness to make sure it was all tight? too often llazy installers crimp the harnesses together and they come loose.
Old 10-09-12, 06:23 PM
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PaNdAnon
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Everything was connected good. I checked the constant power, ground and switch. All was good but the switch which tends to go from 11.6V to >0.5V. For now it seems to be working fine. My friend says he fixed it. It still tends to trip out but comes back on.
Old 10-09-12, 09:01 PM
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GhostGS
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yeah sounds like the switch wire to the adapting harness is iffy.. if anything... theres always hardwiring or finding a new switch source
Old 10-09-12, 10:30 PM
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Another day another attempt
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