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gene, RV Mechanic
Category: RV
Satisfied Customers: 1100
Experience:  28 yrs exp in the industry
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RM2555 wont work on 12v 10.92v at the 12v heater--12.42v

Customer Question

RM2555 wont work on 12v
10.92v at the 12v heater--12.42v feed at the rear of the car
11.92v at the ign signal wire-- 12.42v at the rear of the car
8amps at the 12v heater
Refrig ran ok over night-- after 6hrs driving drink temp was 14.4c
Vehicle is last years Commodore
Book has heater rated at 15 amps
Submitted: 1 year ago.
Category: RV
Expert:  Randall replied 1 year ago.

That DC voltage it too low..........are you taking it at the battery or someplace else? What vehicle is this in and have you checked the "house" battery(s) lately?