Engine compartment fans on back door, one stays running and one won’t run at all.

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Robert2203

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Joined
Jul 1, 2022
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I have a 2016 bobcat t870. And the engine compartment fans are not running as they should. One stays on all the time and one won't run at all. I've tried checking the relays and all is well with those. Anyone have any input as to why This is happening?
 

Randolph

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Joined
May 4, 2023
Messages
2
I found my problem. The Fan relay is different than the others. It was in wrong location. One fan runs on 87 and other fan runs on 87a. If a typical Bosch relay is plugged into fan relay location, the left tailgate fan will run for about 5 min and then the right tailgate fan will continue to run until battery is discharged completely. If correct style of fan relay is plugged in, both tailgate fans will run for 8 minutes and then cut off properly.
 

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