Forum Discussion
jolooote
Mar 23, 2019Explorer
OK, here goes, the Fix. This box under the entrance step, apparently senses the difference in DC volts of the Coach and Chassis batteries per the electronic circuit board also in this box. It is supposed to open or close the 'Automotive ignition type solinoid relay which either parallels or separates the 2 battery sets, hence the loud clicking. Replaced this large solenoid relay, which is straight forward but not easy, problem solved.
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