Hello, I am just seeing if someone can help me decide what to do next on my truck. I have a 1996 F350 crew cab diesel and since the day I bought it my rear right window has never rolled down, since it has never rolled down I also do not know if it will go up. (Just incase you were wondering yes they are electric). Anyways just recently now my rear left window no longer functions. I have checked where the wires go into the doors and I do not see any breaks in the wires what should I check next?
96BigBoi
I would check the main switch on the driver's door panel. I would also double check the harnesses where they go from the pillar to the doors. I had to completely rewire mine due to wire stress breakage. Here are some diagrams if you need them. Cheers!
if you take the panels off then hot wire the motors to see if they work. if they both work then you know where to start checking.
I'd start by pulling the rear switches out of the door panels, unplugging them, and applying (jumpering) 12V across the motor wires. For all doors, the motor wires are always R/Y and Y/R.
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If you have power to the motors you should hear them click when the pushbuttons are depressed. It is possible that the plastic plugs internal to the motor gearing have broken down and need to be replaced. It is a relatively simple job to replace them.
Power Window Motor Gear Plug Dorman 74410 for sale online | eBay
Power Window Motor Gear Plug Dorman 74410 for sale online | eBay
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