Bourgault 491 Monitor won't turn on - The Combine Forum
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post #1 of 4 (permalink) Old 05-06-2019, 10:13 PM Thread Starter
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Bourgault 491 Monitor won't turn on

Finished seeding for a few days last Thursday, parked tractor and forgot to turn off monitor. Drained batteries on tractor obviously, dad noticed, charged them up without turning off monitor. I show up today and tells me about it, I go and see the switch is on, reason for the dead batteries, turn switch off, back on, nothing. Check book, says needs more than 8 volts, tractor is at 14.0. Start tractor, everything else works fine but monitor won't turn on. Could leaving it on that long fry it? Ill disconnect power tomorrow and double check that it has juice but 90% sure it does as other controllers are running off same power post and are fine. Anybody have this happen?

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post #2 of 4 (permalink) Old 05-06-2019, 10:33 PM
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Does it have a fuse in the power leads?

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post #3 of 4 (permalink) Old 05-06-2019, 10:42 PM
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X2 on the fuse. There will be one somewhere along the route.

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post #4 of 4 (permalink) Old 05-21-2019, 11:18 PM
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I'm sure you've probably come up with a solution as this is a few days late, but had a similar issue with our 491 this year, the on/off switch on the back of the 491 actually went bad and wouldn't turn on anymore at all, checked fuses multiple times before I opened it up and checked the voltage inside, found the switch wasn't letting the 12v through to the board . Its a simple 12v on/off switch and can be replaced easily. Hope you got it going.
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