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84 300zx Dash Lights dont work.

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Old 06-22-2011 | 10:36 PM
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Johnson0928's Avatar
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Unhappy 84 300zx Dash Lights dont work.

Ok. So, I have no Dash lights, no a/c lights, no lights on my shifter <auto>.

I have checked all the fuses and they are good. So I am pretty sure from what I have read on some other Forums that it is probably the Time Control Unit... but I have no idea where this is at and don't have the spare cash to go buy a repair manual..

So if there is anyone who can help me out with where it is located and how to properly take it out/test it that would be helpful.
Old 06-23-2011 | 02:35 PM
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headlight switch???
that was my problem..
Old 06-23-2011 | 03:28 PM
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tonsoffun300zx's Avatar
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you couls also download the fsm from xenonz31 just google it it's FREE nitey nine yo!!!
Old 06-23-2011 | 06:03 PM
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Johnson0928's Avatar
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Originally Posted by drdirtybird69
headlight switch???
that was my problem..
I wasn't thinking it would be the headlight switch since my headlights work fine.
Old 06-23-2011 | 08:40 PM
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No dash lights? Sounds like it can be your power supply.
Old 06-23-2011 | 11:11 PM
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The headlights might work fine but since the dash lights are turn on when u turn on your headlights?
My dash lights weren't coming on. But I noticed whenever I wiggled the headlight switch they would turn on. I replaced it. And everything works great now.
Old 06-24-2011 | 12:38 AM
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Originally Posted by drdirtybird69
The headlights might work fine but since the dash lights are turn on when u turn on your headlights?
My dash lights weren't coming on. But I noticed whenever I wiggled the headlight switch they would turn on. I replaced it. And everything works great now.
Did that affect your a/c lights, key light, the light around the cigarette lighter, and Dash lights?

If it is the power supply? which and where? How can I check it?
Old 06-24-2011 | 12:40 AM
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The power supply is located right under your steering wheel it isn't that hard to change. There are a lot of write ups out there on how to change it.
Old 08-13-2011 | 07:37 PM
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I use to have that problem. All I did was flick the switch alot, and problem solved.
Old 08-27-2011 | 12:35 PM
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From: leesburg, fl
i had that problem too and if i rev it they would come on with the headlight switch off and my alt. wasnt charging my battery and it turned out to be a fuseable link so we bypassed it and it worked fine after that
Old 08-27-2011 | 07:11 PM
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Originally Posted by z_man365
i had that problem too and if i rev it they would come on with the headlight switch off and my alt. wasnt charging my battery and it turned out to be a fuseable link so we bypassed it and it worked fine after that
Oh great. Rigging a car instead of spending the couple bucks for the proper part. I feel sorry for your cars and anyone who buys one from you. Seriously. A fusible link is cheap, and they are there for a reason.
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