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Discussion Starter #1
I just bought a 2014 Promaster HT 159 WB. There are a bundle of wires going from the van to each of the rear door interiors. They are severed...all of them. Dealer said he didn’t know what they were for??? But would get it fixed. I picked up the van and now they appear to be attached and wrapped with gobs of electrical tape. Anyone know what they do? I can’t find any lights that don’t appear to be working. Thanks. Mjo
 

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Off the top of my head, I can think of:
Wire for the sensor that tells the computer that the door isn't closed,
The wires that power the lock actuator, and the wires for the license plate lights.
 

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Cheapo repair! He could have sourced and replaced the wire harness properly!
 

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Discussion Starter #4
Thanks. Didn’t check light for lic plate and didn’t think about door ajar sensor. I’ll check both of those things. My main concern was that something wouldn’t work that would affect motor vehicle inspection.
 

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If you pop off the door panels, you can see that there is a moderately clever spring and track system that keeps the wires pulled tight so they do not get bound up in the hinges.

I would suggest finding a local front-end-wrecked van at a junkyard and pull the rear door harnesses out of it. Cut them off (or better unplug them from if there is a handy connector) the donor vehicle as far forward as you can (certainly forward of the hinges) and splice them to your wires away from the movement area around the hinge. In fact, if your van does not have all the track and spring system parts in good condition, you might as well grab all that from the donor vehicle also.

Typically the junkyards do not charge much for that kind of "unidentifiable" stuff, especially if you can find a "Pick-A-Part" or "Pull-And-Save" type place.
 
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