Quote:
Originally Posted by Panzer_Man
...The last few months the Panzer's glow plug light sometimes comes on, sometimes it doesn't... ...Is there a sensor that says "if engine warm do not turn on glowplugs"?
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No. Outside temperature in some models will change the time the light stays on, but not the total glow time.
Quote:
Originally Posted by Panzer_Man
...Also the relay may not be good as it is used. Also note that the relay that was in was a new part put in about 2.5 years ago. So perhaps I just need a new relay. (?)
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You need to test the resistance of each GP, and check all of the pins on the harness plug for corrosion. Temperature changes can affect corroded connections, sometimes the work, sometimes they don't.