After leaving the truck unplugged all weekend performed without a hitch for about 2 hours. (unplugging battery between uses, About 20 mins work)
Then starts showing error -47 again. Had a feel around inside the panel, Diode's D3 and D4 both warm to the touch. everything else still cold. Reading 3320 Ohms resistance one way no circuit back the other way. (Diode D7 cold and measures the opposite way anode-cathode reversed but almost exact same Ohms).
Also Fwd/Rev contactors not clicking in with such an audible click.
Could these be failing
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