Posts: 3
Threads: 1
Joined: Jun 2016
I have a 1989 Newell and need to install a brake controller in the coach.
I have never pulled a trailer with this coach but will be doing so on my next trip.
This coach has a 7 post terminal (round male) at the rear of the coach but does not have power to this unit as near as I can tell.
I will need to change the rear terminal to the flat blade spade type.
My immediate problem is to locate the wiring which I presume will be under the dash.
Any input will be appreciated.
Dick Wells 1989 Newell #201
Dick Wells
1989 Newell
Coach 201
Posts: 5,412
Threads: 255
Joined: Jul 2012
Dick,
A better place to access the wiring is in the rear. Look in the stainless box on the passenger side and you will find relays for the brake, lights, and turn signals.
Richard and Rhonda Entrekin
99 Newell, 512
Maverick Hybrid Toad
Inverness, FL (when we're home
)
Posts: 487
Threads: 14
Joined: Nov 2012
In the cabinet @richard refers to , is a group of wires that run to the front. there are spares in this bundle, pick one for the brake activation lead. connect this wire to your controller's brake output. The power for the controller should be fused (high enough to protect the wire and above the current requirement of the brakes). There is a ample power up front for your controller.
The lead you select should be as large as possible to compensate for voltage drop. You may want to parallel two wires for added copper size.
Locate the air brake pressure switch, use this for the activation lead to your controller. Make sure this lead goes plus 12 when the brakes are pressed.
I am assuming the controller is using an electrical signal rather than air pressure to activate.
Gordon Jones
2000-45'-2slide-#567
Posts: 715
Threads: 49
Joined: Apr 2014
(06-07-2016, 07:28 AM)dick wells Wrote: This coach has a 7 post terminal (round male) at the rear of the coach but does not have power to this unit as near as I can tell.
I will need to change the rear terminal to the flat blade spade type.
They make trailer plugs that have both connections. This picture is similar to what I have on my coach.
![[Image: 637565_2000x2000.jpg]](http://www.northerntool.com/images/product/2000x2000/637/637565_2000x2000.jpg)
Jon & Chris Everton
1986 40' Dog House #86
450 hp ISM 5 spd ZF Ecomat 2
2004 Range Rover L322 Toad
Posts: 4,188
Threads: 635
Joined: Jul 2012
They also make adapters to plug into the 7 pin round receptacle to convert it to 4 pin blade. Here is one
http://www.amazon.com/Anytime-Tools-Trai...B0088JR9X6. UHaul sells them also
https://www.uhaul.com/MovingSupplies/Wir...ow)?id=720
Michael Day
1992 Newell 43.5' #281
NewellOwner.com
Posts: 3
Threads: 1
Joined: Jun 2016
Wow guys - lots to look at - Thank you. I will investigate further over the weekend.
I am aware of the metal box at the passenger rear but would not have thought about any wiring in it.
My round plug at the rear of the coach has a heavy set of wires going towards the front of the coach and I am hoping to find the
other end of that wiring under the dash and then install my brake controller.
Dick Wells
1989 Newell
Coach 201
Posts: 1,696
Threads: 123
Joined: Aug 2012
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.
Posts: 68
Threads: 29
Joined: Jul 2014
hello dick. Installed mine about three years ago. There should be some 16 or 18 guage wires in the stainless steel box passenger side in the engine compartment leading threw to the fuse panel in front of the co-pilots seat. Mike
Posts: 3
Threads: 1
Joined: Jun 2016
(06-08-2016, 06:29 AM)mnhoff Wrote: hello dick. Installed mine about three years ago. There should be some 16 or 18 guage wires in the stainless steel box passenger side in the engine compartment leading threw to the fuse panel in front of the co-pilots seat. Mike
Mike
Thank you. I will try to track it down over the weekend.
Dick Wells
1989 Newell
Coach 201
