Thermo King APU?

597174

{"text":"My APU engine seems to turn off & back on way too frequently. Do you think that my truck batteries are going bad and the APU has to kick on alot to compensate? Running the bunk heater\nTruck Is a 2020","videos":"[]","link":"{}","pics":"[]","canComment":true,"externalShare":false}

936953

{"replyTo":"","text":"Yes, 2 of mine were bad same situation. If you’re around home Harbor Freight has a battery analyzer for about the same cost as battery check at the T/A","replyToPid":0}

855613

{"replyTo":"","text":"I’m currently experiencing the same issue, to the point that my APU won’t can’t keep the batteries charged. ","replyToPid":0}

597174

{"replyTo":"

936953 发表于 2021-02-08 16:41:51 Yes, 2 of mine were bad same situation. If you’re around home Harbor Freight has a battery analyzer for about the same cost as battery check at the T/A

","text":"Thank you Sir ","replyToPid":416320}

936953

{"replyTo":"

855613 发表于 2021-02-08 18:25:35 I’m currently experiencing the same issue, to the point that my APU won’t can’t keep the batteries charged.

","text":"What’s the charging voltage when APU is running? Should be 13.6-14.1 or close to it. I had to change my alternator. They’re cheap on Amazon direct fit.","replyToPid":416326}

1076269

{"replyTo":"","text":"go change your battery! bad batteries stresses the alternator and will break it. Compound repairs. A stitch in time saves 9.","replyToPid":0}

655466

{"replyTo":"","text":"That happened to me. As soon I changed my batteries it stopped doing it so much frequently. My batteries just needed an replacement cause they got old.","replyToPid":0}

966551

{"replyTo":"

936953 发表于 2021-02-08 16:41:51 Yes, 2 of mine were bad same situation. If you’re around home Harbor Freight has a battery analyzer for about the same cost as battery check at the T/A

","text":"check the the settings on your box inside the cab","replyToPid":416320}