My '99 Daybreak has the BCC up front jus' above the hydraulic jack pump...headlite area directly in front of driver...inside 6" plastic box held with a wingnut. I believe you are concerned with the upper relay. You're sure both battery sets are good? Maybe your engine battery is low. The lower silver relay brings the MH converter on to the engine battery to keep it charged. That relay will be warm if you're plugged into shore power. If your rear batts are charged-up then the engine battery will be brought online to keep it charged. A voltmeter is your best friend.
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2014 XLR415AMP Thunderbird ToyHauler, 2019 Sandpiper 379FLOK, F350 Lariat Diesel DRW, NRA Benefactors FullTime RV'er KN4YBP General License
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