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7.3 hard to start
Hey guys just bought a 2001 4wd dually a couple of months ago been running fine till a couple of days ago.I think its in the glow plug area due to it being cold the morning it wouldn't crank.I think it could be the glow plug relay or solenoid.I looked at my voltage meter inside the truck and its still around 12 volts not lower when the glow plugs are heating up.I was told to check the relay by checking the 2 big terminals with a test light one always has battery voltage and when the glow plugs are heating up they both will.Is this true?
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