i forget the name of the diagnostic tool that plugs into heater harness then to laptop.
Pull cover off heater and check connectors
To control on heater 1 little torx screw on top holds it to heater body.
Only way I know to test or diagnose heater is EDITH SOFTWARE AND ADAPTER.
You will need to do functional checks. Not cheap as I recall
Espar D2 Won’t come on, fuses are all good, what can it be?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Buckeyes614, Dec 28, 2021.
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