trailer harness location

trailer harness location

Postby g0t0pless [OP] » March 2nd 2010, 12:14am

According to my repair manual, there is a harness somewhere near the rear of my van that has all of the wires for my turn signals, brakes, backup lights, etc...

The manual states they are "taped and wrapped". But it doesn''t say WHERE.

Any ideas?
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Re: trailer harness location

Postby astroturf » March 2nd 2010, 12:22am

g0t0pless wrote:According to my repair manual, there is a harness somewhere near the rear of my van that has all of the wires for my turn signals, brakes, backup lights, etc...

The manual states they are "taped and wrapped". But it doesn''t say WHERE.

Any ideas?


Jack storage area, on the right as you face the open rear doors. Jim
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Re: trailer harness location

Postby AstroPole » March 10th 2010, 5:28am

astroturf wrote: Jack storage area, on the right as you face the open rear doors. Jim



Just to add to that:

On my '95 Astro it was in plain sight in the jack storage area. On my '96, I had to reach up inside the rear pillar (by way of the jack storage area) to locate the trailer harness. The '95 had a female connector on it. The '96 was simply a wrapped bundle of wires with a tag labelling the wires.
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Re: trailer harness location

Postby tedanderson » March 10th 2010, 5:47am

Just out of interest and curiosity, I am going to look again tomorrow. The other day when I saw this thread, I pulled back the plastic trim at the edge of the door and found a looped of a pair of wires with a tiny piece of electrical tape around it. One is blue and the other is light blue. At first I thought that was it based on the color scheme for the 7-pin trailer connector on my Trailblazer.
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Re: trailer harness location

Postby astro355 » March 10th 2010, 9:20am

tedanderson wrote:Just out of interest and curiosity, I am going to look again tomorrow. The other day when I saw this thread, I pulled back the plastic trim at the edge of the door and found a looped of a pair of wires with a tiny piece of electrical tape around it. One is blue and the other is light blue. At first I thought that was it based on the color scheme for the 7-pin trailer connector on my Trailblazer.


Those are speaker wires, blue and light blue.
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Re: trailer harness location

Postby AstroPole » March 10th 2010, 2:09pm

96Harness.jpg
Here's the trailer harness on my 96. Notice Dark Green, Light Green, Brown, Yellow, White to coincide with your trailer harness wire colors. It *almost* is as if it comes out of the back of the tail light. It was wrapped in tape.
96Harness.jpg (112.63 KiB) Viewed 1425 times


95Harness.jpg
Here's the '95 trailer harness. It's just laying there in the dirty old jack compartment. I had to unwrap it to connect the pigtail.
95Harness.jpg (126.72 KiB) Viewed 1425 times
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Re: trailer harness location

Postby tedanderson » March 10th 2010, 2:53pm

astro355 wrote:Those are speaker wires, blue and light blue.


So you mean.... ah! :banana: Thanks for that info! That's going to save me some work. I wanted to install a set of rear speakers for when I am working out of the back of the van but I kept putting it off.

I guess it would make sense that all of our vans have the same wiring harness in spite of the variation in option packages.
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Re: trailer harness location

Postby Big_kid » March 11th 2010, 2:05am

I wound up making my own. Soldering & heatshrinking the wires was easier than pulling off the panels looking for a harness I didn't think was there. :shrug:
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