Replaced capacitor on dometic 59516-531 steal trips breaker
You need to borrow a clamp on style amp gauge, and check amp draw on black wire in box where hydro wires connect. (PLEASE, be careful, and if not experienced in this type of test, don't try it, due to likelihood of getting a shock. ) If it's the compressor kicking in that's causing the breaker to trip, and capacitor is good, then it's usually a problem with either low incoming (supply) 110-120 AC voltage, which will cause high amperage draw, or compressor on it's way out causing high amp draw. If it's only drawing 15-18 amps, and your tripping a 20 amp breaker, then breaker is getting weak.
You can attempt to narrow down by trying fan only without cool. Then you would know it's not the fan and likely the compressor. Another way to check is by unhooking compressor, AT THE COMPRESSOR, and running the cooling. Be sure to tape bare wires, but this will ensure that it's not any wires and it has to be compressor.
If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79
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My quick cool, the fan works compressor comes on but will not cool
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