C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

87 cluster dead after replace bulbs

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Old Apr 11, 2012 | 02:12 PM
  #1  
Ghoghos's Avatar
Ghoghos
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Default 87 cluster dead after replace bulbs

Any suggestions ?
I change the bulbs not a problem after that the cluster was working w/o showing temperature , I took it out again didnt see anything weir , put it back together and plug it back to the car now I have nothing , not reading with or without the bulbs , any suggestions?
Thanks
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Old Apr 11, 2012 | 02:33 PM
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2fas2c
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if your getting nothing at all the power supply is probably shot.
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Old Apr 11, 2012 | 02:41 PM
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Ghoghos
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Is the power supply inside the cluster?
The only thing i can see is when i try to start up it shows same info for a second without the bulbs on ,
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Old Apr 11, 2012 | 04:05 PM
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2fas2c
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ah ok your ground is the issue. If you take the cluster apart you will see the interboard connectors, long pins that connect the 2 boards together. The pin on the far right probably has a bad solder joint, flip the board over and take a look, the joints should be shiny like chrome not dull or broken, reheat the joint and add a small amount of solder that should fix the problem. As always do at your own risk I am not responsible for any damage caused, haha sorry had to throw that in there.
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