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QSB 6.7 low voltage to grid heater

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Old Nov 29, 2018 | 08:27 PM
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Default QSB 6.7 low voltage to grid heater

good luck my dude
 
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Old Nov 29, 2018 | 08:58 PM
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replaced the grid heater, replaced relays with cummins relays, ran a seperate wire for a known good ground straight to battery, everything is in check and still getting code.
 
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Old Nov 29, 2018 | 10:55 PM
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How does the PCM sense voltage for the heater??
 
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