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I'm taking the time to change a lot of other things while I'm doing my 5spd swap. I upgraded to a newer brake booster and master cylinder which required adapters to my brake lines. This meant I finally had to remove my old hydraulic brake controller. I noticed it was a Tekonsha, with a build date of 08-84, thats a year older than the truck. I'm glad to see it go. It was always jerking the truck around with an empty trailer. My buddy just became the manager of his own U-haul store, so he's going to hook me up with a prodigy. I asked him if he carried them after all the good things I heard about them in here. I can't wait to drive my truck again.
I got the controller, my friend managed to get me 20% off the original price. I was going over the install instructions and looking at my current wiring setup. The old controller had 4 wires, and 2 of them went to the trailer plug, a big blue wire and a big yellow wire. 1 for the brake light and 1 for power. The new one has 5 wires. When the blue wire passed through the firewall, it goes to this little pad with a long U-shaped spring with a movable clamp. It somehow lets you adjust the strength of the brakes. Do I still need this thing or can I remove it and just connect the wires without it?
With the Prodigy you set the "brake strength" with the dash controller. You don't need the underhood resistor. The Prodigy instructions should say something like --Accelerate to 20mph (may be somewhat different) and apply brakes using lever on brake controller. If brakes lock up reduce the setting. If they don't lock up increase the setting.
Hmmm......my Prodigy required only 4 wires for hook-up (12v power, ground, cold side of brakelight switch and trailer brake power). What's the other wire for? The previous poster is correct; you no longer need that resistor.
You may be right, I just noticed the old controller only had 3 wires, so the prodigy probably does have 4. Nice to know I can lose the resistor, I never messed with it anyway.
Man this thing is sweet, cant believe I waited this long to upgrade. No more jerking the truck around. Still have a bit of dialing in to do. I still get the wheels to lock on the more pressured stops.