Excessive wiring under dash
Thread Starter
Seasoned Member
Joined: Oct 2013
Posts: 376
Likes: 5
From: Idaho
Year: 1991
Model: Cherokee
Engine: 4.0 Liter
Yet another post from me, thanks for all they help! Anyway I had to crawl under the dash today to pull my bad headlight switch and there is a ton of wiring under there, and there are a lot of non factory wires that I would assume, go to nothing because my Jeep is bone stock. I have a factory amp, my build sheet says I have 6 speakers(Can't find 2 of them, not in the rear doors, and I don't have a soundbar), ABS, factory fog lights, and rear window defroster. So I guess my question is, even with all that stuff should there be this much wiring? If not, could I get some help locating the stuff that shouldn't be there? Also, should I worry about pulling out any non factory wires since it doesn't appear that anyone has added anything to it that would need the wiring?

And sorry about the crappy pictures guys, if better ones are needed I can take more in the morning.


And sorry about the crappy pictures guys, if better ones are needed I can take more in the morning.
"So I guess my question is, even with all that stuff should there be this much wiring?"
You are probably better off leaving well enough alone. No reason to reinvent the wheel if you want a model "A" or a lawn tractor just go out and buy one.
Remember where that fuse is if your transmission gets funky.
You are probably better off leaving well enough alone. No reason to reinvent the wheel if you want a model "A" or a lawn tractor just go out and buy one.
Remember where that fuse is if your transmission gets funky.
Thread Starter
Seasoned Member
Joined: Oct 2013
Posts: 376
Likes: 5
From: Idaho
Year: 1991
Model: Cherokee
Engine: 4.0 Liter
Here's a partial of my build sheet:
Auxiliary Transmission Oil Cooler
NHMP Speed Control
NMCP Heavy Duty Engine Cooling
PX8 Black Clear Coat
QX8S Black Clear Coat
RAAC All Radio Equipped Vehicles
RAFP AM/FM Cassette Radio
RCGP 6 Speakers
RDCP Power Antenna
SBAS Power Steering
SCGP Leather Wrapped Steering Wheel
SFAS Standard Duty Shock Absorbers
SGAS Rear Shock Absorbers
SUAP Tilt Steering Column
I have yet to find the other speakers though. They aren't in the rear doors or anywhere else I've looked. I just have 2 in the hatch and 2 for the front doors. It came with a factory amp too(I think). I have slightly more pressing concerns than that though, I bumped a wire and all of my speakers went silent and now my receiver won't stay on. And all the excess wiring makes it a total @#$&% to check any factory wires under the dash.
Auxiliary Transmission Oil Cooler
NHMP Speed Control
NMCP Heavy Duty Engine Cooling
PX8 Black Clear Coat
QX8S Black Clear Coat
RAAC All Radio Equipped Vehicles
RAFP AM/FM Cassette Radio
RCGP 6 Speakers
RDCP Power Antenna
SBAS Power Steering
SCGP Leather Wrapped Steering Wheel
SFAS Standard Duty Shock Absorbers
SGAS Rear Shock Absorbers
SUAP Tilt Steering Column
I have yet to find the other speakers though. They aren't in the rear doors or anywhere else I've looked. I just have 2 in the hatch and 2 for the front doors. It came with a factory amp too(I think). I have slightly more pressing concerns than that though, I bumped a wire and all of my speakers went silent and now my receiver won't stay on. And all the excess wiring makes it a total @#$&% to check any factory wires under the dash.
CF Veteran
Joined: Feb 2010
Posts: 12,367
Likes: 23
From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
Just put a blindfold on and start cutting, what could possibly go wrong? Some of that wiring looks like it was added for a two way radio, some kind of after market crap. The factory never had huge bundles of tie wrapped wires stuck everywhere.
Last edited by Bustedback; Jan 4, 2014 at 10:22 AM.
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Thread Starter
Seasoned Member
Joined: Oct 2013
Posts: 376
Likes: 5
From: Idaho
Year: 1991
Model: Cherokee
Engine: 4.0 Liter
CF Veteran
Joined: Feb 2009
Posts: 2,203
Likes: 3
From: Houston Tx.
Year: 1995
Model: Cherokee
Engine: 4.0
Here's a partial of my build sheet:
Auxiliary Transmission Oil Cooler
NHMP Speed Control
NMCP Heavy Duty Engine Cooling
PX8 Black Clear Coat
QX8S Black Clear Coat
RAAC All Radio Equipped Vehicles
RAFP AM/FM Cassette Radio
RCGP 6 Speakers
RDCP Power Antenna
SBAS Power Steering
SCGP Leather Wrapped Steering Wheel
SFAS Standard Duty Shock Absorbers
SGAS Rear Shock Absorbers
SUAP Tilt Steering Column
Auxiliary Transmission Oil Cooler
NHMP Speed Control
NMCP Heavy Duty Engine Cooling
PX8 Black Clear Coat
QX8S Black Clear Coat
RAAC All Radio Equipped Vehicles
RAFP AM/FM Cassette Radio
RCGP 6 Speakers
RDCP Power Antenna
SBAS Power Steering
SCGP Leather Wrapped Steering Wheel
SFAS Standard Duty Shock Absorbers
SGAS Rear Shock Absorbers
SUAP Tilt Steering Column
Also see you got speed control.......guess that means "gas pedal", good option, hate it when vehicles don't come with a gas pedal.
Thread Starter
Seasoned Member
Joined: Oct 2013
Posts: 376
Likes: 5
From: Idaho
Year: 1991
Model: Cherokee
Engine: 4.0 Liter
Thread Starter
Seasoned Member
Joined: Oct 2013
Posts: 376
Likes: 5
From: Idaho
Year: 1991
Model: Cherokee
Engine: 4.0 Liter
ADL Skid Plate Group
AHT Trailer Tow Group
And of course, power everything, which is more of a pain than a luxury.
Could also be the transceiver portion of a really old wireless phone.
Yep;
http://massis.lcs.mit.edu/archives/c...ll.programming
CF Veteran




Joined: May 2012
Posts: 7,965
Likes: 964
From: Lost in the wilds of Virginia
Year: 1998 Classic (I'll get it running soon....) and 02 Grand
Model: Cherokee (XJ)
Engine: 4.0
Yep, indeed!
What you have there is the in-car transceiver for an old flip-phone. It's analog & TDMA, and neither technology is in use any more. It's a paperweight. Not even a museum piece. Worthless.
Basically, you installed this unit in the car permanently, with an external antenna. It had a transceiver (that's what you're seeing in there) and a cradle where your flip phone could be plugged in. Optionally, you might have had a hands-free setup, which would have included a speaker (about a 2 1/2 inch by 4 inch box) and a microphone.
This setup enabled the hand-held phone to be boosted to the full power of an installed phone (3 watts vs. .6 watts), and also gave the advantage of an external antenna.
This was important back in the day when networks were optimized for installed phones.
The connector on the end has two cables coming out of it. One goes to power (should have power, ground, ignition sense, and horn alert), and one goes to the cradle for the phone.
There should also be a coaxial cable coming out of it. Motorola insisted on using a crappy mini-UHF connector, while everybody else used the far superior TNC type.
There! More than you ever wanted to know about it!
The bottom line is this: Feel free to trace the wires, disconnect them, and cut them out.
How do I know this?
I stopped counting when I passed the 1,000 mark for phones installed. I installed cellphones in everything from junkers that didn't even run (seriously!), to multi-million dollar yachts.
I even installed a few in Cherokees!
What you have there is the in-car transceiver for an old flip-phone. It's analog & TDMA, and neither technology is in use any more. It's a paperweight. Not even a museum piece. Worthless.
Basically, you installed this unit in the car permanently, with an external antenna. It had a transceiver (that's what you're seeing in there) and a cradle where your flip phone could be plugged in. Optionally, you might have had a hands-free setup, which would have included a speaker (about a 2 1/2 inch by 4 inch box) and a microphone.
This setup enabled the hand-held phone to be boosted to the full power of an installed phone (3 watts vs. .6 watts), and also gave the advantage of an external antenna.
This was important back in the day when networks were optimized for installed phones.
The connector on the end has two cables coming out of it. One goes to power (should have power, ground, ignition sense, and horn alert), and one goes to the cradle for the phone.
There should also be a coaxial cable coming out of it. Motorola insisted on using a crappy mini-UHF connector, while everybody else used the far superior TNC type.
There! More than you ever wanted to know about it!

The bottom line is this: Feel free to trace the wires, disconnect them, and cut them out.
How do I know this?
I stopped counting when I passed the 1,000 mark for phones installed. I installed cellphones in everything from junkers that didn't even run (seriously!), to multi-million dollar yachts.
I even installed a few in Cherokees!
Last edited by BlueRidgeMark; Jan 4, 2014 at 06:16 PM.





