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Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

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Old 11-19-2009, 10:11 AM   #1
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1988 GTA digital dash wiring diagram
Does anybody have wiring diagram for Firebird GTA 1988 digital dash?

I have some problems, km/h doesn't work (it's always 0 km/h on display), and display which shows trip and other things regarding mileage also doesn't work (there is nothing on display).

Thank you all in advance!
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Old 11-19-2009, 04:24 PM   #2
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Re: 1988 GTA digital dash wiring diagram
Check your fuses for sure. I have the same dash and have had that problem. If you speedometer is reading zero check the wire to the VSS (connection at the back end of the transmission (tail housing). Is the odometer screen blank or just not adding mileage? I will look and see if I have a schematic that includes the digital dash.

Good luck!
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Old 11-20-2009, 03:05 AM   #3
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Re: 1988 GTA digital dash wiring diagram
Thank you, I'll check that. Odometer is blank, but in one moment I see mileage on display, but just for moment

Please, take a look if you have a schematic for dash, it will help me a lot.
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Old 11-20-2009, 08:36 AM   #4
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Re: 1988 GTA digital dash wiring diagram
If the horn works its not a fuse.

After fixing my steering column this summer my horn decided to just start blowing about 800 miles after the column repair. In a pinch, I pulled the fuse to kill the horn, and my display read the same as you're describing. Just a thought.
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Old 11-20-2009, 02:49 PM   #5
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Re: 1988 GTA digital dash wiring diagram
Horn works, if you meen on sound (beeeep!) after system check. I didn't understand you, when you pulled the fuse, display start or stop work?
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Old 11-20-2009, 03:07 PM   #6
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Re: 1988 GTA digital dash wiring diagram
It stopped working with fuse pulled, along with the horn on the steering wheel.
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Old 11-20-2009, 04:40 PM   #7
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Re: 1988 GTA digital dash wiring diagram
Aha , horn on the wheel doesn't work Maybe it's the same problem. I'll check it.

Thanks!
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Old 04-12-2010, 01:59 AM   #8
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Re: 1988 GTA digital dash wiring diagram
Quote:
Originally Posted by shone190 View Post
Aha , horn on the wheel doesn't work Maybe it's the same problem. I'll check it.

Thanks!
horn, power locks and int lights are on the same circuit as the DIC (Drivers info center) if the fuse blows the speedo will be all over the place and none of the above will work.
Mine just started blowing fuses, not sure why...can't seem to find any posts on this...
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Old 04-12-2010, 01:59 AM
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