Front windows not working

Tiny
JR47
  • MEMBER
  • 2008 CHRYSLER 300
  • 3.5L
  • V6
  • RWD
  • AUTOMATIC
  • 136,482 MILES
Front windows will not go down but the rear windows work just fine. The switches for the front windows on the driver side door and the switch on the front passenger door do nothing, and I checked fuses they are good. The front passenger window worked just fine until it just quit working but the driver window had some problem where you had to either shut the door kinda hard in order for it to work or you would have to open it all the way then it would work. Any ideas on what could be wrong?
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Friday, August 12th, 2016 AT 10:24 PM

3 Replies

Tiny
CARADIODOC
  • EXPERT
Broken wires between the door hinges. If you find that, I will post a copy of how I repair them.
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Friday, August 12th, 2016 AT 10:32 PM
Tiny
JR47
  • MEMBER
Yeah that's what I found.
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Thursday, August 18th, 2016 AT 8:38 PM
Tiny
CARADIODOC
  • EXPERT
This is my procedure for '80s and '90s Caravans, so make adjustments as necessary. I left the dealership in '99 and haven't done this repair since, so I'm not sure if your harness is the same. If yours has plugs on each end, you can just unbolt the harness and replace the wires at the workbench. The new wires will be the same length as the old ones so they don't pull tight when the door is all the way open and the harness doesn't coil or flex excessively when the door is closed.

If your wires go through rubber grommets at the front of the door and at the "A" pillar, use this dandy procedure:

Peel the tape open on the wire harness between the two left door hinges. Remove the door trim panel, unplug all the stuff like power mirrors, windows, locks, speakers, and courtesy light so you can pull the harness part way out of the door. Pull as much harness as possible out of the "A" pillar.

There can be up to 22 wires and some of them will be the same color with the same color stripes. If you mix these up, everything will still work, but you might pop an automatic resetting circuit breaker if the right power window is operated in different directions by two different people at the same time. To avoid confusion, start with the broken wires, then move on to the wires with cracked insulation.

In 1990s Caravans, the replacement section is 11" long. Slide the rubber grommets back to expose the sections or wire that were inside the door and "A" pillar where no flexing occurred. Cut one wire in these two sections. The replacement wire must be the same gauge, stranded, and 22" long. The color is not important. Strip about 1/2" of insulation from both ends of the replacement wire, and both ends of the original wire. To splice the new wire in, slide the strands together and push down any strands that stick up. Solder the connection by heating it with a soldering iron on one side and applying the solder to the other side, never directly to the iron tip. The molten solder will flow through the strands toward the heat source. When it cools, check for any sharp points. If you can feel them, flatten them with a needle nose pliers so they don't poke through the heat-shrink tubing. Slide a 1" piece of heat-shrink tubing over the splice and warm it with a match or lighter. Don't over-do it as the tubing will melt and split open. Also, don't use electrical tape. It will unravel into a gooey mess on a hot day.

Slide another piece of tubing onto the wire, then splice the second end. Install the heat-shrink tubing, and the first wire is done. When all the wires are done, wrap the harness with tape. Electrical tape will crack apart in a short time. Friction tape works well, but don't make the bundle of wires real tight. The wires will want to slide over each other a little when the door is opened and closed. A better alternative is to use the same wire wrap that was used originally. It looks like electrical tape but it's not sticky. You can buy rolls of it at any auto parts store.

Slide the grommets over the ends of the tape to help hold it in place. Slide just enough of the harness back into the door to reconnect all the plugs. All the splices on this end should be inside the door so they don't flex when the door is opened. By splicing in 22" long pieces of wire, the new section of the harness is twice as long as it should be. Slide the rubber grommet for the "A" pillar down far enough that only 11" will be between the door and "A" pillar. Push the other wire into the "A" pillar and coil it where the parking brake pedal won't interfere with it. The reason for the extra wire is to get ready for the next time this repair becomes necessary. Just pull the harness out and you will be half done! No need to make the splices on that end.
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Friday, August 19th, 2016 AT 12:15 AM

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