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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Gauge cluster not working

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Old Nov 20, 2021 | 09:01 PM
  #1  
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Gauge cluster not working

I recently bought an 87 f150 with a 5.0 for little project bit the cluster isn't working, the speedo works obviously and the voltage bit the gas gauge coolant temp and oil pressure isn't working, tried another cluster from the junkyard and when I turned on the key it pined the needles in the same spot as the original cluster, any idea what would cause this? Thanks in advance for any help
 
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Old Nov 21, 2021 | 07:34 AM
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Have you checked fuses?
 
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Old Nov 21, 2021 | 08:02 AM
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Originally Posted by jas88
Have you checked fuses?
no not yet I wasn't sure if a fuse would cause just some of them to not work like that, they also go way past where they should like the gas gauge is pegged way past full
 
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Old Nov 21, 2021 | 08:40 AM
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From: Easton,Ks
Maybe the voltage regulator for the cluster is bad.
Did you use the same cluster voltage regulator with both clusters?
 
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Old Nov 21, 2021 | 09:44 AM
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Originally Posted by subford
Maybe the voltage regulator for the cluster is bad.
Did you use the same cluster voltage regulator with both clusters?
I just unplugged the old and putnin the new I'm not sure where the voltage regulator for it is.
 
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Old Nov 22, 2021 | 06:47 AM
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From: Easton,Ks
Also look for burnt traces in the PC.

The location of the voltage regulator:
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Old Nov 22, 2021 | 01:17 PM
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Originally Posted by subford
Also look for burnt traces in the PC.

The location of the voltage regulator:


/
that looks very different from the back of mine but ill look for something like that for sure
 
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