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01-16-2018, 01:40 AM
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#1
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Junior Member
Brand: Thor Motor Coach
Model: ACE 30.3
State: Washington
Posts: 19
THOR #10467
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Strange back-up camera electical connection
I recently purchased a new 2017 Thor ACE 30.3 motor home and couldn't figure out why my back-up and lane change cameras were apparently not working. Just by chance, I discovered the "store/use" switch must be in the "use" position for the cameras to work. In other words, their power source is the coach batteries rather than the chassis battery. This makes absolutely no sense to me in that the cameras are only going to be needed when the coach is, of course, moving. So therefore one would think the chassis battery should be used. Does anyone have an explanation why this is not the case?
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01-16-2018, 02:28 AM
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#2
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,384
THOR #7035
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Because it's integrated into the dash radio which is an entertainment system for when the coach is parked, thus power is supplied by the coach batteries.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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01-16-2018, 12:46 PM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: SOB 2014 Meridian 36M
State: Washington
Posts: 981
THOR #7205
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Quote:
Originally Posted by dpbain1
I recently purchased a new 2017 Thor ACE 30.3 motor home and couldn't figure out why my back-up and lane change cameras were apparently not working. Just by chance, I discovered the "store/use" switch must be in the "use" position for the cameras to work. In other words, their power source is the coach batteries rather than the chassis battery. This makes absolutely no sense to me in that the cameras are only going to be needed when the coach is, of course, moving. So therefore one would think the chassis battery should be used. Does anyone have an explanation why this is not the case?
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Welcome... from another Washingtonian! It doesn't make much sense to me either. When you park the rv and turn off the engine, the radio/screen system should turn off. Then, turn on when back in the rig starting the engine. I'll bet a person could re-wire to a hot ignition "ON" power source Pretty easily.
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Pat & Becky & now Katie
Wenatchee, WA
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01-16-2018, 01:09 PM
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#4
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,384
THOR #7035
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Quote:
Originally Posted by 99dart
Welcome... from another Washingtonian! It doesn't make much sense to me either. When you park the rv and turn off the engine, the radio/screen system should turn off. Then, turn on when back in the rig starting the engine. I'll bet a person could re-wire to a hot ignition "ON" power source Pretty easily.
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That way, when you wanted to listen to music in your coach through the built-in speakers while stopped, you would have to turn the ignition on.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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01-16-2018, 05:06 PM
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#5
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Junior Member
Brand: Thor Motor Coach
Model: ACE 30.3
State: Washington
Posts: 19
THOR #10467
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You're right I suppose that it's part of the entertainment system, but you would think they wouldn't have to integrate the back-up system to it, two unrelated entities! Thanks all of you for responding.
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01-16-2018, 09:03 PM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: 2013 31L
State: Florida
Posts: 2,184
THOR #908
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Yeah, i agree with you.
They should have either not integrated it with the house system ONLY....or perhaps given an option form the helm to engage the house batteries.
I discovered mine the same way not long after buying. I got in to drive it to the storage lot just down the road. Had to pull over to get it going.
I also don't like that I have to go into the settings every time I store the unit to reconfigure the polarity for the camera to come on automatically when I change gears to R. That camera thing should just come on when i shift to R. Simple
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01-19-2018, 02:45 PM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: SOB 2014 Meridian 36M
State: Washington
Posts: 981
THOR #7205
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Quote:
Originally Posted by Tfryman
That way, when you wanted to listen to music in your coach through the built-in speakers while stopped, you would have to turn the ignition on.
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Yes, understood. But, we also have a sound bar under our tv that has radio/aux input. We used to always listen to the in dash sytem in our old MH. You just need to be mindful of the useage.
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Pat & Becky & now Katie
Wenatchee, WA
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01-19-2018, 03:09 PM
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#8
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,384
THOR #7035
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Quote:
Originally Posted by 99dart
Yes, understood. But, we also have a sound bar under our tv that has radio/aux input. We used to always listen to the in dash sytem in our old MH. You just need to be mindful of the useage.
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Then why bother having separate chassis/house systems?
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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01-19-2018, 03:23 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds 31W
State: Michigan
Posts: 542
THOR #9522
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Gotta have something to start the motor with when it's a bare chassis?
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Pete and Carolynn Foss from Oxford, MI
2018 Four Winds 31W
1999 Aero Cub F-21 trailer
1977 Tioga 24 foot RV
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01-19-2018, 03:29 PM
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#10
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Senior Member
Brand: DRV
Model: 41RSSB4
State: South Dakota
Posts: 313
THOR #5859
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It might be handy to be able to see around your RV if you hear something in the night?
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George
Kerrville, Tx
2015 Mobile Suites 41RSSB4
2011 F350 Dually 6.7 PSD
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