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Old 10-16-2014, 11:38 PM   #1
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Join Date: Sep 2014
Location: Flagtaff
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Question Older Tekonsha brake controller with new Tracer Air 240

So we are pretty new to having a travel trailer and the dealer installed our trailer brake system on our Nissan Pathfinder. We discovered pretty quickly it seemed we were maxing out our vehicle driving between Flagstaff and Phoenix, AZ- deepending on the direction huge up or downhills. So, last week we traded it in for a 2004 Ford F250 diesel. The Ford came with a Tekonsha brake controller, so tonight we hooked it up, and realized it works completely different than the newer on the dealer installed. We took a pic of the controller in our truck and it appears to be the Tekonsha Sentinel 7451. Looks pretty old. Do we need to be concerned about this working correctly with our trailer? In hindsight, maybe we should've taken out the new brake controller before trading in, but you know, hindisght....Any advice, tips? The instructions online for the Tekonsha Sentinel say it can't be used with electric hydraulic brake systems but we have no idea if this is what's even on our trailer! Thanks in advance!

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Old 10-17-2014, 03:25 AM   #2
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Originally Posted by FlagCamper View Post
Any advice, tips?
The Sentinel, if it's functional, should work fine with your TT. The electric/hydraulic issue is N/A to your rig. Notwithstanding, I, in your boots, would be shopping for a newer Prodigy Controller (P2/P3). The latest generation controllers give you much better control over the TT's braking system than that older Sentinel will allow.


Keith, Lori & the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2009 Dodge Ram 1500 CC 4x4 (ya.. it's got a Hemi
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Old 10-17-2014, 05:58 AM   #3
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Life is a highway!!!!!
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Old 10-20-2014, 11:53 AM   #4
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The Sentinel looks to be a mechanical (pendulum?) proportional controller. If it were a time-delay unit, I'd say throw it in the trash now. As it is, it will do the job, but x3 on the Tekonsha P2 or P3 as soon as is practical.
thebrakeman ('70), DW ('71), DD ('99), DD ('01), DD ('05)
2004 Surveyor SV261T (UltraLite Bunkhouse Hybrid)
2006 Mercury Mountaineer V8 AWD Premier
Equal-i-zer WDH (10k), Prodigy Brake Controller
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brake control, controller, brakes

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