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Expert Answers about Ford F-450 Cab and Chassis


  • What Would Cause Vehicle Battery in 2018 Ford F450 Thor Motorhome To Be Dead After Using Shore Power
  • Man I'm sorry to hear that! I don't see how a Furrion 50 amp transfer switch # F50ATS would cause this issue though, as your vehicle battery should not be able to be drained from your house batteries, and your vehicle battery should not be hooked up to a transfer switch like the Furrion unit. Did you recently have the transfer switch installed? If so I'd verify that it was wired correctly by checking out the included instructions, because shore power should not affect your vehicle battery...
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  • Troubleshooting Curt TriFlex Brake Controller Keeping Motorhome from Turning On
  • If your motorhome has the 2015 Ford F-450 cab and chassis that you input for your vehicle info then the Wiring Adapter # C51436 is the problem. You should actually be using the Wiring Adapter # C51432 for your TriFlex # C24VV instead. When I spoke with my contact at Curt he said that for the Ford pickups if the wrong adapter is used then it does something to the anti-theft and keeps the vehicle from starting.
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  • InvisiBrake Air Line Popping Off
  • Over time the little black air line you are talking about (smaller of the two) can be stressed and lose it's shape where it goes into the InvisBrake what I recommend you do is to use the Air Lift Air Hose Cutter part # AL10530 or another very sharp object to trim the end slightly and push it back in to the port on your InvisiBrake. This port is a push to connect so you should feel it slide in to a stop then you will push it in an additional 1/8" to 1/4" and you should never have to worry...
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  • What Pressure Rating is JR Products Excess Flow 2-Stage LP Gas Regulator # 37207-30375 Set to
  • Yes, the JR Products Excess Flow 2-Stage POL RV LP Gas Regulator # 37207-30375 is already set to the industry standard pressure setting of 11 inch water column.
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  • Factory Brake Controller on 2017 Ford F-450 with Dexter Electric Over Hydraulic Actuator
  • The integrated brake controller in your 2017 Ford F-450 is compatible with electric over hydraulic trailer brakes. Make sure you have the controller set for EOH brakes because it has an option for electric brakes and an option for EOH brakes. If you already have it set for EOH it could be that it's not compatible with the Dexter actuator. The controller isn't compatible with all actuators so this could be your issue. When an integrated controller isn't compatible with EOH brakes you...
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  • Troubleshooting Install of Prodigy P3 Brake Controller 90195 in 2017 Ford F-450 Cab & Chassis
  • Wiring adapter # 22292 is the correct one for installing a Tekonsha brake controller such as the Prodigy P3 # 90195 in your Ford F-450 cab and chassis. There are two possibilities you can check to troubleshoot this issue. First, use a circuit tester like # PTW2992 to confirm that the connector under your dash has one pin with constant 12V power and one with 12V power ONLY when the brake is pressed. The other two pins should not carry any voltage. If your vehicle connector displays different...
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  • Troubleshooting Loss of 12V Power From Class C Motorhome to Towed Vehicle
  • For a Class C motorhome you should find the fuses in the same locations you'd find them on a truck - in a fuse panel under the hood and/or near the cockpit behind a removable panel. Typically things like a trickle charge can be found under the hood although you'll need to confirm this on your end. If your fuses look good then you'll want to use a circuit tester to see where along your OEM wiring that 12V power is lost. Once you find the damaged wiring go ahead and replace it with 10 Gauge...
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