Notices
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Hydraulic Brake Controller Question

Thread Tools
 
Search this Thread
 
Old May 11, 2014 | 12:15 PM
  #1  
79man's Avatar
79man
Thread Starter
|
Junior User
Joined: Mar 2004
Posts: 88
Likes: 0
From: Southern Illinois
Hydraulic Brake Controller Question

I've got an 86 Ford 250 with an older Tekonsha hydraulic brake controller (unknown model number). While removing a couple of the previous owner's switches/modifications, I accidentally unhooked/cut a couple of the brake controller's wires. I've searched for a wiring diagram online, but can't find one for a hydraulic model.

I know that the blue wire goes to the rear of the truck for the trailer plug, but not sure where the black, red, or green wire are supposed to go. I'm guessing that the red wire goes to cold side of the brake switch, and the black wire goes to the battery.....BUT what about the GREEN wire?

BTW: I did read online that the hydraulic model is grounded through the steel brake line. Dunno if that's right or not.

Any/all help would be greatly appreciated!
 
Reply
Old May 11, 2014 | 12:40 PM
  #2  
Franklin2's Avatar
Franklin2
Moderator
25 Year Member
Photogenic
Community Builder
Community Influencer
Joined: Jan 2001
Posts: 56,999
Likes: 2,746
From: Virginia
Club FTE Gold Member
The only thing I would know to do is open it up and look at where the wires go. You could also hook it up with a battery charger, since it has a circuit breaker built in it, and use a test light to figure the wiring and verify it after you have taken it apart.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
79man
1987 - 1996 F150 & Larger F-Series Trucks
2
May 11, 2014 04:26 PM
72Blazerod
1973 - 1979 F-100 & Larger F-Series Trucks
14
Aug 7, 2013 04:32 PM
CHADAHAR
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
5
May 19, 2013 09:03 PM
thebandit343
Electrical Systems/Wiring
4
Apr 14, 2012 11:30 PM
Handegard
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
1
Dec 20, 2009 05:52 AM




All times are GMT -5. The time now is 06:07 PM.

story-0
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-1
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-2
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-3
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-4
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-5
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-6
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-7
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-8
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-9
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE