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Old 01-10-2019, 04:17 AM   #15
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How does the front A/C act when connected to shore Power?

2000 Allegro Bus 35R 3126 Cat 300 Allison 3060MD 6 speed
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Old 01-10-2019, 03:44 PM   #16
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Start capacitor, but like majora says, replace all of them in both units and don’t get bit, make sure you drain them before removal. They will knock you on your azz.

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Old 01-10-2019, 10:26 PM   #17
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Will check out capacitors when settled in our destination early next week. Thanks for all the great insights.
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Old 01-11-2019, 05:25 AM   #18
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Originally Posted by Mistaya View Post
Will check out capacitors when settled in our destination early next week. Thanks for all the great insights.
Please con't to report back after you do so we all can learn how this is resolved. It will help a lot of folks in the future.
TEAM Martin & Joanie, FTers, RVM#181
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Making Traveling, FTing and Our Motorhome "GREAT AGAIN".
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Old 01-11-2019, 05:30 AM   #19
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Keep in mind that your generator is capable of producing 66 amps thru 2, 35 amp breakers.

The 2, 35 amp breakers feed a double 50 amp main panel breaker, which branch out to 2 individual 20 amp AC breakers.

There is the thermal breaker on the AC compressor that typically trips out before the 20 amp circuit breaker does, when the start capacitors are bad.

All of the components are there to protect the down stream wiring from overloading, yet your diesel engine, turning a 66 amp generator end, is stalling out.

You don't have an electrical issue, you have a generator power issue.

Keep us posted on the fix.
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Old 01-11-2019, 10:50 AM   #20
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I had a similar problem like this. Sometimes when the rear AC started it would load down the gen until the gen died / shutoff. The hard start cap on the AC had a burned component on top of it so I replaced the cap assembly and no more problem.
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Old 01-22-2019, 10:52 PM   #21
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Thanks to all

Settled in RV park now. Replaced both capacitors and that seems to have solved problem. Thanks to all who replied.

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