For the power supply, Should I buy a circuit breaker (20 amp) or are there provisions already there for for this? I have not bought a controller yet but plan on buying a Tekonsha prodogy and it requires a circuit breaker or fuse for the power supply.My 04 sport is did not come with a tow package..Thanks.

Yes you need to buy the circuit breaker. I put mine up by the battery.

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-Dave

2005 Renegade
LOST #000681

On my CRD I put it on the mounting screw for a wiring bundle on the drivers side firewall up under the windshield. Well protected and saved drilling holes.

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Dave

'06 CRD Limited, Lt. Khaki, MOPAR Slush Mats/Skids, DrawTite Front Hitch, Mag Lite, Yakima Bars, Thule Bike Rack, Fumoto, ORM, 245/70 Revo 2

Wish list: Lift, Boulder Bars, Something Bigger in the Front and Back, More Lights

Very goot brake controller, that's what I'm usin.

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'13 JK Unlimited
'07 Goat 4x4
Old School L.O.S.T. Member
L.O.S.T. #DA050656
Republica de Tejas

When I've had brake controllers professionally installed they've used separate 40 amp circuit breakers on the battery line. Never had a problem with them and I've also since made several similar installations myself. All were for big trailers. Your total current drain might be less, but I know these work. Also, when a fuse goes, you'll need to replace it before your brakes will work

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Ted Kalil
2005 KJ Renegade & 1987 Wrangler.
2010 Yamaha 700 Grizzly - got very sick. So.. 2012 Polaris RZR 800