5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

instrument cluster bugs

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Old 12-07-2009, 06:08 PM
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crusin92red5.0
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Default instrument cluster bugs

Alright i know this is 5.0 tech but i just bought a 93 4 cyl and i'm about to drop a 5.0 so i think it applies here. Also i think there are good knowledgable people in this section.

The main problem i see so far is there are no instrument lights that come on when the key is turned besides the batt light

Prob a fuse but i need other suggestions

When the key is turned to on and the car is off, the rpm jumps up to 900 rpms and stays there, kinda wierd since its not running. I'm not positive if the speedometer works because i didn't drive it home since the clutch was gone and i don't how to shift it without a clutch, so my friend drove it for me.

And the dimmer switch is supposedly busted. i found an extra one in the trunk so it makes me think its not the switch.

the car is at my dad's house in the garage so its not here. but i'm going over there shortly and would like to have a general idea of what to check.

thanks guys

Last edited by crusin92red5.0; 12-07-2009 at 06:11 PM.
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Old 12-08-2009, 08:01 PM
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crusin92red5.0
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bump and update

so i checked fuses and found that the instrument cluster fuse was removed. i realized why when the lights wouln't turn off. i assume it the dimmer switch becuase it was frozen on the part where you click your lights on. i broke it loose and it did not dim the instrument lights.

does anyone know how many fuses should have power when the key is off? there are about 4 that have power when the key is out and off, if i remember correctly there is usually two that have power
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