Do I have to use Kelsey Hayes???
Originally Posted by Jim & Susan
Hi folks. I recently purchased a 2002 F250 that has one of these Kelsey controllers. My plan is to remove it and replace it with my current controller from the old F150 that we've been towing with for several years. The wiring looks straight forward, but I just thought I'd run it by you all since it seems odd to me that the PO of this new-to-me TV would be towing a 12,000 lbs 5th wheel with such an old school controller.
The PO has cut away the factory installed connector on the truck side and hard wired the Kelsey to the truck wiring. Presumably this is because the ancient Kelsey controller lacked the proper connector to mate with the truck side.
The wiring exactly matches in both trucks (color for color). Here's the wiring order:
Truck side Controller side
Including a pic of the older F150 just as a point of reference.
Thanks for the advice,
There were a few different styles of Kelsey Hayes Trailer Brake Controllers. If the one installed on your 2002 F250 is the type that taps into the hydraulic brake lines of the tow vehicle, I would definitely suggest taking it out and having the truck's hydraulic brake system flushed or at least "bled" to remove possible air bubbles from the system. A well-meaning mechanic installed one of these hydraulic tapped Kelsey Hayes units on my 1983 GMC G-20 Conversion Van and it displaced enough fluid that operation of the van's brakes was compromised. I suspect that you may find the same to be the case with 2002 F250 as I understand that the later model vehicles are even more sensitive to the amount of fluid displaced by the Kesley Hayes Trailer Brake Controller than was my 1983 GMC (my experience with the GMC conversion van was 1983-1985). On the other hand, it may be an all-electric ramp type control . . . I had one in my Dodge that dated to 1980 . . . while it worked well it was far from as smooth as a modern electronic pendulum type unit. I don't know whether Kelsey Hayes ever produced any pendulum type electronic brake controllers.
Good luck with your investigation!
Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
1964 Overlander International/1999 GMC K2500 Suburban (7400 VORTEC/4.11 Differentials)
1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)