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Old 10-01-2019, 02:45 PM   #1
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Brand: Thor Motor Coach
Model: Axis 25.2 - E-450
State: Virginia
Posts: 18
THOR #5259
Tap into the chassis/coach fuse block?

I want to permanently install a tire pressure monitoring system and will need to run a new 12V fused line to make it work. Does anyone know how to tap into any of the unused spaces in the existing chassis or coach fuse locations?
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Old 10-01-2019, 08:00 PM   #2
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Brand: Thor Motor Coach
Model: Axis 25.2 - E-450
State: Virginia
Posts: 18
THOR #5259
NOTE: My 2017 Thor Axis 25.2 sits on an E-450 chassis.
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Old 10-01-2019, 08:39 PM   #3
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Brand: Thor Motor Coach
Model: 2018 24.1 AXISSIXxSIX
State: Arizona
Posts: 458
THOR #13932
https://www.amazon.com/Pixnor-Circui...ateway&sr=8-11

I don't know how to tap into a blank spot, but I use these. The original circuit has a fuse, the add on has a seperate fuse. Same as using a blank spot.
Very easy to connect.
I drilled a hole in the side of the fuse cover and threaded the new wire through with a spot of hot glue to seal the new hole.
I think. I have a picture in the axis Vegas 123 thread.
I tapped into the fuse block in the bin under your driver's seat.
The same tap(check fuse size before buying) will work on the under dash box.
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Old 10-01-2019, 10:00 PM   #4
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Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
Posts: 2,212
THOR #1765
Quote:
Originally Posted by Wild Handyman View Post
I want to permanently install a tire pressure monitoring system and will need to run a new 12V fused line to make it work. Does anyone know how to tap into any of the unused spaces in the existing chassis or coach fuse locations?
Are you looking to run your TPMS at the dash or the repeater? I just installed a double USB port on the left hand side of the dash to tun the TPMS and my scan gauge. I spliced into a wire under the driverís side arm and added an inline fuse. For my repeater, I connected it directly to the coach batteries with an in-line fuse. The old KISS principle. They donít have to be connected to a fuse box,
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Old 10-01-2019, 11:14 PM   #5
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Brand: Thor Motor Coach
Model: Axis 25.4
State: California
Posts: 572
THOR #6582
I came off the back of the power port (cig lighter) with #10 awg to a mini- fuse block installed under the cover in front of the steering wheel.
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Old 10-02-2019, 12:21 AM   #6
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Brand: Thor Motor Coach
Model: Axis 25.2
State: Georgia
Posts: 108
THOR #5927
You might also want to look under the tray on top of the center console. I found an extra set of wires with spade connectors on them that was wired up to the cigarette lighter circuit on the Ford chassis side.

They were hooked up to the 30 amp circuit on the Ford fuse box (in either slot 70 or 72) and was thick gauge wire (I think either 10 or 12 gauge).

I extended it over to the left of the driverís side and added a USB port with a voltmeter.
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Old 10-02-2019, 01:05 AM   #7
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Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
Posts: 2,212
THOR #1765
I used the wire to the mirror heat- which I donít use much in Key Largo.
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