dual batteries drain quickly
Dual 12 volt batteries drain and are dead within 6 hrs. Everything seems to work correctly boondocking and on shore power. while boondocking the batteries will go dead within 6 hrs. I put new batte...
Forum Discussion
MEXICOWANDERER wrote:
Eek, to use proper vernacular drivetrain functions are derived from
Engine
Control
Unit
ECU
Recent vehicles utilize a
Body
Control
Module
BCM
Mex you have to get "up to date" !
PCM = Powertrain Control Module. They use this term because the compture chip in that box controls the engine and the transmission and sometime the AWD/4WD.
BCM, while a common term, is not universal. Ford calls it a "Smart Junction Box" (SJM). FCA calls it a "Totally Intgrated Power Module" (TIPM). Even between vehicle models of the same manufacturer some functions may or may not be in this module.
