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06-27-2023
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#1 |
 Join Date: Mar 2023
Location: PA
Posts: 70
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Speedo light on start up immediately goes out? 1990
I only have my car about 2 months now and I have repaired everything that was not correct or that bother me. I notice that on start up in my garage the speedo light come on for a few seconds and goes out. Once I drive out of the garage into day light it goes back on! Shouldn't it be on all the time when the engine is running?
I also notice that now that I re-grounded both frame sensors the dash lights are a bit brighter and no longer blink! Last edited by rufcar; 06-29-2023 at 10:23 AM. |
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06-28-2023
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#2 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,168
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Re: Speedo light on start up immediately goes out?
What year car?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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06-29-2023
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#3 |
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Join Date: Mar 2023
Location: PA
Posts: 70
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Re: Speedo light on start up immediately goes out?
Thought I typed that 1990 zr1 sorry
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06-29-2023
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#4 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,168
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Re: Speedo light on start up immediately goes out?
I believe the dark LCD is normal on a 1990 LCD.. 1991-newer they changed how the backlighting works. I ended up swapping in a 1991 CCM to get the brighter backlight.
Marc Haibeck has another solution to the backlight for the 1990 as well
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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06-29-2023
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#5 |
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Join Date: Mar 2023
Location: PA
Posts: 70
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Re: Speedo light on start up immediately goes out?
Tkx I will look into both. J
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06-29-2023
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#6 | |
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Join Date: Mar 2023
Location: PA
Posts: 70
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Re: Speedo light on start up immediately goes out?
Quote:
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Linear Mode
