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help no gauge power or diagnostic power lights flash

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Old 10-28-2011, 05:38 PM
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Default help no gauge power or diagnostic power lights flash

Ok I have got a few issues lost power to gauses they just wiggle around park lights r flashing.... no odometer.... and no start it still will crank but not fire... security light comes on for 1 sec just like normal then goes off... car ran when parked 1 day ago
Old 10-28-2011, 05:39 PM
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Also I.have power at diag port but no communication with tool
Old 10-28-2011, 05:44 PM
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O yea its a 99 trans am a4
Old 10-28-2011, 07:04 PM
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how are your fuses? the 'gauges' fuse could affect this, i think
Old 10-28-2011, 07:29 PM
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Yes all fuses good
Old 10-28-2011, 10:49 PM
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Hazards flash when turn on key.. no other lights on dash... but if u turn on head lights they stop flashin... not flashin on outside car... car will crank but no start... no fuel pump
Old 10-29-2011, 03:26 PM
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Any ideas come on guys
Old 10-30-2011, 09:36 PM
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Bump com on guys no ideas.... the flashes work and blinkers work when key is on... but dash light blinkers act all kinds funny... I thought might have somethin todo with aftermarket alarm so.we took that off and still no luck
Old 11-01-2011, 09:40 PM
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It almost sounds like a fuse able link. But I don't think 4th gens use them. My 3rd gen did the same thing when I blew one. I would double check the fuses.
Old 11-02-2011, 10:10 AM
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Check grounds..
Old 11-02-2011, 08:59 PM
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Where r grounds at for bcm and interior stuff




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