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Old 08-20-2011, 07:33 PM   #1
bigd65
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Dash gauge readings

Ok so I got all my wiring problems fixed and the gauges working, however they are not reading correctly. The oil gauge is reading a little high, not bad but I know the oil pressure on these trucks don't go real high, that's just a Chevy. The temperature gauge goes way over to hot. I changed the thermostat and flushed the engine and new coolant and all. However the temp still goes way to hot and then slowly drops a little. The engine is by no means hot in fact you can actually put your hand on the valve cover. I'm thinking it's just the wrong senders or something. I got the ones for the diesel that it was originally but then again I did change the cluster and its now a gas 350, however they showed the same part numbers for the diesel and the gas engine for the same year

How can I tell what senders I need to buy, is there an ohm reading I can take from the gauge or something.
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Old 08-20-2011, 10:50 PM   #2
gchemist
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Re: Dash gauge readings

Is the cluster properly grounded? Did you use any type of sealant on the sensors? The sensors should not use any sealant.
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Old 08-21-2011, 10:12 AM   #3
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Re: Dash gauge readings

I'm gonna have to check that out today, I did but I think I cleaned them off, does go for the oil sender as well?
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Old 08-21-2011, 11:43 AM   #4
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Re: Dash gauge readings

Yes. Also check the engine to frame ground.
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