12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

gauge cluster not working

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Old 04-19-2013, 11:08 AM
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Default gauge cluster not working

Tachometer speedometer alternator voltage and coolant temperature are not working but fuel and oil pressure are still woking

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Anyone? Please
 

Last edited by jonesy9310; 04-19-2013 at 11:08 AM. Reason: Automerged Doublepost
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Old 04-20-2013, 04:03 AM
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Well i'm looking at my book for your truck,mine is just 3 years older.
As for your tach,the book says it's tied in with your pcm(powertrain control module)
as for the speedo,your vehicle speed sensor may have gone out.
As for the alternator,i would also lok at the pcm.
It's just wierd that those four are the only ones out, take a look at the fuse panel in the engine compartment.You may have some fuses out,or fusable links out.
 
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Old 04-20-2013, 12:40 PM
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Originally Posted by 97cummins
Well i'm looking at my book for your truck,mine is just 3 years older.
As for your tach,the book says it's tied in with your pcm(powertrain control module)
as for the speedo,your vehicle speed sensor may have gone out.
As for the alternator,i would also lok at the pcm.
It's just wierd that those four are the only ones out, take a look at the fuse panel in the engine compartment.You may have some fuses out,or fusable links out.
Do you know i can test the pcm?
 
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Old 04-22-2013, 05:17 PM
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Anyone know how to test pcm or know what else my problem might be?
 
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Old 04-24-2013, 10:08 AM
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with my 7.3 i took the pcm out and took the bolts out and split it in half and if you get a flashlight you can look for burnt out connectors and such or any un normal sighns when you pop it apart. im sure there is a more official way of doing it.. but dealers want a **** ton of money just to eveb touch the pcm
 
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Old 04-29-2013, 01:19 PM
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Fixed it ended up bein my gauge cluster
 
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