I've tried a different sub with the same results. All connections are done at the back of the radio. Description : Fuse Box Under Hood Of 2003 Ford Explorer Diagram — Fixya inside 2003 Ford Explorer Fuse Box, image size 413 X 300 px, and to view image details please click the image. Keep some noise filters on hand and use as needed if you experience noise. Figured I'd tie this up for posterity. The aftermarket harness only used one harness as the other two were reserved for the sub and console cd changer respectively. We attempt to provided in this posting because this may be one of wonderful reference for any 2003 ford explorer fuse box thoughts.
Measure the voltage between rear window defrost relay socket pin 85 and pin 30 harness side and ground. We have actually accumulated many photos, with any luck this image is useful for you, as well as aid you in finding the answer you are looking for. Adding More Information If you would like to help the Modified Life community by adding any missing information or adding a new car audio wire diagram to our resource, please feel free to post it at the bottom of this page. Also if you did use an rca wire to provide signal to the subwoffer, did the stereo have subwoffer output or did you use either the front or rear rca output from the stereo, which if you did than your subwoffer is now a full range speaker minus a tweeter and not a subwoffer anymore. Do you have the actual sub in the rear passenger side or just the cargo bin meaning you have the factory amp for the 4 speakers? The factory amp is pretty bad, you'd probably be better off running the door speakers off of the headunit instead of the factory amp.
My head deck has 3 sets of 5v preamp outputs. Description : 2003 Ford Explorer: The Instrument Panel. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Ford Explorer. Thank you for using FixYa, have a nice day. I have a 2005 with factory nav so the harnesses are a little different and therefore there are none available to purchase as a plug and play. It just ignores the ground and trigger Shouldn't be rocket science. Posted through admin with November, 1 2013.
Whether your an expert Ford Explorer mobile electronics installer, Ford Explorer fanatic, or a novice Ford Explorer enthusiast with a 2003 Ford Explorer, a car stereo wiring diagram can save yourself a lot of time. Then just hook the rca connector side into your sub pre-out, toss the stereo back in the dash, and set up the sub level on your headunit and you're done! Its stupid but it worked to get the window up. That is what the sub uses for it's signal. I took the amp bypass out as well as the original amp. Description : Similiar 2003 Ford Explorer Sport Trac Fuse Diagram Keywords with regard to 2003 Ford Explorer Fuse Box, image size 1000 X 773 px, and to view image details please click the image.
Everything you need for a relay is right there. I was trying to find more about the expected voltages etc but the ford manual is not written with the intent of hacking around the system. The factory uses a non-standard 5 V signal that reportedly isn't enough juice for after-market amps. I have read for hours online about people installing various aftermarket items. One of the most time consuming tasks with installing an after market car stereo, car radio, satellite radio, xm radio, car speakers, tweeters, car subwoofer, crossovers, audio equalizer, car amplifier, mobile amp, car amplifier, mp3 player, ipod or any car audio electronics is identifying the correct color car audio wires for your 2003 Ford Explorer.
It's also for a 3rd gen, I believe, so the wire colors don't align with what I see. Description : 2003 Ford Explorer Fuse Box — Vehiclepad 2003 Ford Explorer with regard to 2003 Ford Explorer Fuse Box, image size 1000 X 773 px, and to view image details please click the image. I'm going to have to do more work, anyway, because the amp is powered on all the time. Request a Car Stereo Wiring Diagram If you can not find a particular car audio wire diagram on Modified Life, please feel free to post a car radio wiring diagram request at the bottom of this page and we will do our best to find you the diagram or schematic you need for your mobile audio installation. I was replying to original question as to have a factory amp and sub able to run off an aftermarket stereo and from what I've read is that you cut an rca cable stripped the covering and spliced it to the harness that feeds signal to the factory subwoffer amp, I'm surprised that you have it working because the rca output is a maximum of 4v and the subwoffer signal wire runs off the speaker output signal wiring which is higher voltage. If you like this article you can bookmark or share it to your social media account, I thank you significantly due to the fact that you have actually visited this website. This weekend, I'll fiddle around with the Line-Level vs Speaker-Level.
If the factory plugs are there, you should be able to pick up an installation kit from the parts store. Its mounting depth was a little too deep, but I drilled out the rear bolt hole now a voice coil vent hole and used some rubber tape around the sub hole as a spacer. It sounds better that way than it did with the amp. There is no circuitry involved, it's straight through. My assumptions above held, in terms of which wire was which.
They sell adapters for a couple bucks that let you connect the radio to the connector without cutting it off. One of the most time consuming tasks with installing an after market car stereo, car radio, satellite radio, xm radio, car speakers, tweeters, car subwoofer, crossovers, audio equalizer, car amplifier, mobile amp, car amplifier, mp3 player, ipod or any car audio electronics is identifying the correct color car audio wires for your 2003 Ford Explorer Sport Trac. I got a box from Crutchfield. In addition to the input trigger wire being apparently unused, the ground wire also doesn't seem to have any impact. The factory uses a non-standard 5 V signal that reportedly isn't enough juice for after-market amps. Keep some noise filters on hand and use as needed if you experience noise. You are going to want to run new Power and Ground wires for the new amp anyways so running signal wires should not be that much more work.