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Old 02-11-2020, 07:24 PM   #1
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Brand: Thor Motor Coach
Model: Hurricane 29M
State: California
Posts: 64
THOR #7902
Front Windshield Shade Voltage Source

My front windshield shade has stopped working. Also the overhead driver/passenger fans. Does anyone know where the voltage for these comes from? Are they on the same circuit? Is there a fuse somewhere in the path?

Thanks
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Old 02-12-2020, 02:50 PM   #2
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Brand: Thor Motor Coach
State: Texas
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THOR #8139
There are several fuse blocks plus fuses located in the house battery compartment.

Look in you Ford manual for "Modified vehicle and stripped chassis..." these blocks are located under the hood and dash.

Check the 12v fuses in your 120/12v breaker/fuse panel.
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Old 02-12-2020, 03:01 PM   #3
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Brand: Thor Motor Coach
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THOR #7902
Thank you.
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Old 02-12-2020, 03:21 PM   #4
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Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
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Originally Posted by Makerofsawdust View Post
My front windshield shade has stopped working. Also the overhead driver/passenger fans. Does anyone know where the voltage for these comes from? Are they on the same circuit? Is there a fuse somewhere in the path?

Thanks
Almost everything in the front cab, not installed as part of the Ford F53 stripped chassis, for the coaches made in plant 750 is powered by the chassis battery. The chassis battery has a 100 amp circuit breaker just beside the chassis battery. This CB powers the cap fuse and relay board located down by the driver's left foot. This circuit board has the fuses and accessories inhibit relays for the steps, shade, slides, jacks, fans, patio awning, etc.
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Old 02-12-2020, 09:31 PM   #5
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Brand: Thor Motor Coach
Model: Hurricane 29M
State: California
Posts: 64
THOR #7902
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Originally Posted by Beau388 View Post
Almost everything in the front cab, not installed as part of the Ford F53 stripped chassis, for the coaches made in plant 750 is powered by the chassis battery. The chassis battery has a 100 amp circuit breaker just beside the chassis battery. This CB powers the cap fuse and relay board located down by the driver's left foot. This circuit board has the fuses and accessories inhibit relays for the steps, shade, slides, jacks, fans, patio awning, etc.
While looking for 100 amp circuit breaker, I noticed some corrosion on the positive post and connecting wires. Gonna clean that up and see if it helps.

Thanks
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Old 02-12-2020, 11:38 PM   #6
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Brand: Thor Motor Coach
Model: Hurricane 29M
State: California
Posts: 64
THOR #7902
Sure enough. Funny how the rv started, but I was not getting power to the accessories.
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