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09-21-2020, 02:27 AM
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#1
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Replaced battery. A/C and fans not working
2011 Thor windsport 34t
When using the emergency start (House batteries) AC fans and step would work. I replaced the battery in the engine bay. Previous battery was a group 65 conventional and not deep cycle. So I replaced with same type. After replacing the A/C and fans stopped working. Radio still works. Not familiar with this RV. I am guessing some bad fuses and or relay switch. Where can I find a diagram and or please point me to the location of the fuse boxes. Much thanks in Advance !
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09-21-2020, 02:54 AM
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#2
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,329
THOR #7035
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Which A/C & fans? Dash or overhead?
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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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09-21-2020, 03:05 AM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: 2011 FW Hurricane 33T
State: England
Posts: 1,295
THOR #16471
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Quote:
Originally Posted by Jonjcruz1
2011 Thor windsport 34t
When using the emergency start (House batteries) AC fans and step would work. I replaced the battery in the engine bay. Previous battery was a group 65 conventional and not deep cycle. So I replaced with same type. After replacing the AC and fans stopped working. Radio still works. Not familiar with this RV. I am guessing some bad fuses and or relay switch. Where can I find a diagram and or please point me to the location of the fuse boxes. Much thanks in Advance !
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Can you confirm if you have a Battery Control Centre (BCC) under the hood, driver's side?
I am thinking the radio is fed from the coach battery and the fans are off the chassis battery, maybe the chassis battery cable (for the BCC) was not reconnected? You mention the step worked before, is it still?
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09-21-2020, 03:23 AM
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#4
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Yes The dash ac and the fans over head
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09-21-2020, 03:25 AM
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#5
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Quote:
Originally Posted by OldWEB
Can you confirm if you have a Battery Control Centre (BCC) under the hood, driver's side?
I am thinking the radio is fed from the coach battery and the fans are off the chassis battery, maybe the chassis battery cable (for the BCC) was not reconnected? You mention the step worked before, is it still?
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I believe there is a battery control center. When I replaced the battery I just disconnected the negative and positive- re install done in reverse order. I didn’t touch anything else. Yes the step worked before and it doesn’t work now.
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09-21-2020, 03:57 AM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: 2011 FW Hurricane 33T
State: England
Posts: 1,295
THOR #16471
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So when you operate the Chassis Battery switch (by the entrance) do you hear the 'clunk' of the relay (from the BCC)? Do you have a multimeter and are able to check the BCC has the proper voltages?
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09-21-2020, 04:39 AM
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#7
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Quote:
Originally Posted by OldWEB
So when you operate the Chassis Battery switch (by the entrance) do you hear the 'clunk' of the relay (from the BCC)? Do you have a multimeter and are able to check the BCC has the proper voltages?
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I don’t recall hearing “clunk” I am going to pick up a meter this week. Do you happen to have a diagram that I can view to trace which fuses and relays are mapped. The BCC is on the drivers side under the hood. I also seen there was a panel below the steering column to the left
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09-21-2020, 04:56 AM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: 2011 FW Hurricane 33T
State: England
Posts: 1,295
THOR #16471
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RV Custom Products
There should be a model number (upper left corner?). Here is the link to the manufacture, RV Custom Products (They are helpful to any call), at the top is "Our Products", find yours. Also the inside cover has a fuse layout. I am unsure of the other panel you mention. May be the Ford fuse box?
But typically if the chassis relay does not pick up (clunk), you would be unable to start or have any ignition action from the key.
Good luck, I am off to bed.
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09-22-2020, 10:19 PM
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#9
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Quote:
Originally Posted by OldWEB
There should be a model number (upper left corner?). Here is the link to the manufacture, RV Custom Products (They are helpful to any call), at the top is "Our Products", find yours. Also the inside cover has a fuse layout. I am unsure of the other panel you mention. May be the Ford fuse box?
But typically if the chassis relay does not pick up (clunk), you would be unable to start or have any ignition action from the key.
Good luck, I am off to bed.
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Thanks! I will report back soon as I get a chance to test fuses
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09-22-2020, 11:41 PM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 4,178
THOR #6411
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Quote:
Originally Posted by Jonjcruz1
2011 Thor windsport 34t
When using the emergency start (House batteries) AC fans and step would work. I replaced the battery in the engine bay. Previous battery was a group 65 conventional and not deep cycle. So I replaced with same type. After replacing the A/C and fans stopped working. Radio still works. Not familiar with this RV. I am guessing some bad fuses and or relay switch. Where can I find a diagram and or please point me to the location of the fuse boxes. Much thanks in Advance !
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My coach has a 100 amp circuit breaker (the type with a yellow flag) just behind the chassis battery on the right frame rail. It powers everything in the cab but the radio and the power ports.
__________________
Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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09-22-2020, 11:54 PM
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#11
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Quote:
Originally Posted by Beau388
My coach has a 100 amp circuit breaker (the type with a yellow flag) just behind the chassis battery on the right frame rail. It powers everything in the cab but the radio and the power ports.
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Thank you- I checked that fuse and it is not tripped.
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09-23-2020, 10:05 AM
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#12
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Senior Member
Brand: Thor Motor Coach
Model: Tuscany 42GX
State: Missouri
Posts: 1,158
THOR #9178
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Quote:
Originally Posted by Jonjcruz1
2011 Thor windsport 34t
When using the emergency start (House batteries) AC fans and step would work. I replaced the battery in the engine bay. Previous battery was a group 65 conventional and not deep cycle. So I replaced with same type. After replacing the A/C and fans stopped working. Radio still works. Not familiar with this RV. I am guessing some bad fuses and or relay switch. Where can I find a diagram and or please point me to the location of the fuse boxes. Much thanks in Advance !
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Are you talking about holding down the emergency start solenoid switch or turning on the house battery bank?
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09-23-2020, 03:38 PM
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#13
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Quote:
Originally Posted by lwmcguir
Are you talking about holding down the emergency start solenoid switch or turning on the house battery bank?
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Yes the emergency start switch to the right of the steering wheel
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09-23-2020, 06:33 PM
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#14
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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My apologies the emergency switch to the left side of steering wheel
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09-23-2020, 09:07 PM
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#15
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Senior Member
Brand: Thor Motor Coach
Model: Tuscany 42GX
State: Missouri
Posts: 1,158
THOR #9178
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Did you get this figured out?
If not, perhaps a cable not reattached
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09-26-2020, 07:44 PM
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#16
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Senior Member
Brand: Thor Motor Coach
Model: ACE 30.3
State: Texas
Posts: 147
THOR #10883
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My ACE 30.3 has a separate fuse for the radio in the battery compartment. It is a in line fuse in a red water resistant fuse holder. My coach also has 2 100 amp breakers in there for the leveler system. I found this out because I had to call a mobil repair guy. Took him like 2 minutes to find and reset them. Has worked ever since. By the way this was covered by the insurance we got at purchase. I called and they were there in less than hour.
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Mace with 2018 Thor ACE 30.3
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09-29-2020, 04:12 PM
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#17
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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Hi All-
I had the RV plugged in over last weekend. Before I started checking fuses I wanted to verify the problem was still present. To my surprise everything is working. I don't know the correlation to having the RV plugged in. Any ideas? Thank you all for your help its much appreciated!
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09-29-2020, 11:35 PM
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#18
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Senior Member
Brand: Thor Motor Coach
Model: 2011 FW Hurricane 33T
State: England
Posts: 1,295
THOR #16471
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You never did say if the engine started after you "replaced the battery in the engine bay", so could it be that the chassis battery was dead and after having the RV plugged in for the weekend, it is now fully charged?
Good that you got 'er going!
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12-03-2020, 11:17 PM
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#19
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Junior Member
Brand: Thor Motor Coach
State: Nevada
Posts: 11
THOR #20619
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I'm sorry life just took off! Yes the engine started right up. the indicator light for the chassis is green and the coach light is yellow. Thinking it maybe time to replace the house batteries. Any recommendations? I have duracell 6v now. also noticed that the 120 outlets do not work unless the generator is running. We just started to boondock in the RV!
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12-04-2020, 03:32 AM
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#20
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Senior Member
Brand: Thor Motor Coach
Model: Tuscany 42GX
State: Missouri
Posts: 1,158
THOR #9178
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Trojan T105 AGM work well for me
What Thor, do you have an inverter or converter?
Makes a difference on the outlets
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