AC display won't dim after stereo installation

read (you meant main harness to radio sub harness.)
and car may have 5 or more harness for 5 or more very complex radio head end options new,so only the real service manual covers all that for sure,or if lucky 2nd fiddle here.

https://eautorepair.net/Marketing/Default.asp

buy the adapter here or get the service manual


https://www.scosche.com/car-audio/installation/harness

Might be able to get an adaptor that plugs straight in painlessly.
Failing that it's the standard trace and identify method that eats time like crazy.

If your original harness is still hanging out of the dashboard I would just opt for the $15 aftermarket cord. Then it's just pretty much color code wires together

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Ford Bluetooth® Wiring Harness - Crutchfield

www.crutchfield.com/.../Ford-Bluetooth-Wiring-...

Crutchfield Corporation
Rating: 4.5 - ‎16 reviews - ‎$19.99 - ‎In stock
Reinstall the factory radio and mount the Bluetooth kit, and you're ready to go. ... 16Reviews ... harness so that I could hook up an aftermarket amp to my factory radio.... works like it's suppose to. says it doesn't work on an 09 Escape but had no .... I purchased this harness to install a parrot ck3100 in my 07 Ford Edge.Missing: pwm

70-5521 wiring harness for ford with 6 CD premium sub amp ...

? 4:30
https://www.youtube.com/watch?v=0jqNafnki0o
Aug 9, 2013 - Uploaded by codieraji
Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp FordPremium stereo radio 6 CD changer with sub amp inputs. ...16:47. How to wire an aftermarket radio / I Demo install with metra harness and antenna ... How to hook up stock amp/sub to aftermarket head unit "ford sport trac" - Duration: 3:01. Pat.Missing: parakeet ‎pwm ‎98

Car Stereo Wire Harnesses - Radio Wires for all Car Audio ...

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Car Stereo Wire Harnesses - Car Stereo Installation Wiring - Stereo Harness ... If you

Yes, It's a very good possibility that you will have a few wires left over. Normally a wire for an aftermarket amp to be triggered on when you turn your radio on and possibly a power antenna or a dimming function that dims your radio lights when your headlights are on. It of course always depends on if you have a power antenna or not, or if you have an aftermarket amp or not or if you have the dimming feature on your car or not. These wires don't apply to everyone.
You will just match the colors between the wiring harness that came with the DUAL radio and the interface adapter that goes to your car. Make sure you use **** style crimp connectors. If not the wires could come loose or cause a popping noise or cause the radio to turn off while driving.
Other than that, installing an aftermarket radio is mostly matching the colors up between the two harnesses and crimping the wires together.

Check the fuses

following is the procedure. u can also check ehow for more details.

Twist the negative cable off the terminal on the vehicle battery, using an adjustable wrench.

Remove the factory issue stereo. Pry off the radio trim bezel with a flat head screwdriver. Remove the four bolts on each corner of the radio. Pull the radio out the dashboard. Unplug the thick black radio antenna cable. Disconnect the wire harnesses from the rear of the stereo. Place the old stereo to one side.

Prepare the dashboard for the new stereo. Fit the radio installation sleeve provided with the aftermarket stereo to the radio installation kit. Feed the sleeve through the portal of the radio installation kit and bend the tabs on the sides of the sleeve to secure it in place. Feed the audio wiring of the Jeep and the radio antenna cable through the portal of the assembly and slide the assembly into the dashboard. Secure it in place with the bolts removed earlier.

Wire the new stereo. Connect the wiring of the stereo to the audio wiring of the Patriot, using a custom wire harness adapter. Push the connections together until they snap into place and test the connection by tugging gently on either end.

Plug the radio antenna cable into the alloted port on the rear of the aftermarket head unit.

Slide the connected aftermarket stereo into the prepared housing in the Patriot's dashboard. Click it into place in the radio installation sleeve, taking care not to trap any wiring.

hi there. I am not sure about the speakers. But there is a wiring harness available for a aftermarket head unit. I have a '97 sentra the base model XE version. I have just put in an alpine head unit and you defenately hear the difference even on factory speakers. But you will need 2 kits to install an aftermarket head unit in the car. 1. A dash kit. I got mine from canadian tire for about 20 bucks, it comes with instructions on how to put it together and its straight forward, just make sure u get the one for your year and make of car.

2. The wiring harness. there available at mostly every car audio place for about 10 bucks. again make sure u get the one for your year make and model of car. installing this is difficult so unless your good at electronics get it professionally installed. you have to splice the wires into the back of the aftermarket unit, then the plugs plug right into your existing factory car harness.

hope this solves your problem, the dash kit is easy to put together and install into the car, but the wiring harness is a bit difficult, i had my harness installed for about 40 bucks and u save money if u put the dash kit togehter yourself because thats 1 less thing they have to do. good luck.

There are aftermarket wireharnesses available. I suggest the $15-25 purchase. The wires usually match color for color to the aftermarket stereo saving a major head ache if attempting to figure out the factory harness. These adaptors are available at many audo part stores and local installation shops. To check the harness you need, Metra, on of the main aftermarket wire harness manufacturers has an application chart on line, see metraonline.com or a search for American International or Scosche.