How does an aftermarket radio work on a car?
And they most often do this by using an aftermarket adapter-harness which plugs right into the car’s harness, so they don’t have to cut up the car’s harness. Trouble is, some of the aftermarket harnesses faithfully reproduces the older, non-diagnostics radios with a loop of wire between +12 and the pin where the K-line is on newer models.
How can I Fix my afterrmarket radio problem?
Do NOT install this resistor in the port. You are simply using it to check and see if the k-line has +12V. If the resistor gets hot, then pull it out and fix the problem by disconnecting the k-line from the stereo’s wiring harness. Remove the radio. Then make the following modification to the car’s wiring harness:
Do you need a fuse for an aftermarket radio?
Our other interfaces use output drivers that are thermally protected against shorts. They don’t need a fuse. If you plug them into a car with the K-line shorted to +12, they simply won’t work in that car, but it won’t hurt them either. Some dealers will refuse to scan any car that has an aftermarket radio.
What was the problem with the VW afterrmarket radio?
The problem is, VW brought the “K-Line”, the wire on which all of the control modules in the car communicate with the scan-tool to a pin in the connector on which older radios used to put +12 back into the harness. (We’re not sure whether this was for antenna power or as an amplifier turn-on or what).
Do you have to replace the radio in a car?
Sometimes, you just have to keep the factory stereo. And the good news is that you don’t have to replace the factory radio to get awesome car audio sound. Below, we’ll show you a few examples of how to improve on the OEM sound system without replacing the radio. actory stereo systems often leave a lot to be desired.
Do you need to get an aftermarket car stereo?
If you are the latter, you may need to consider an aftermarket stereo that outperforms the stereo originally in your car. These can be professionally installed, or you can do the job yourself. Choose a new stereo. Browse online or in at a local retailer to find a stereo that fits your needs.
Where do you plug in an aftermarket stereo?
The wires on the harness adapter and plug are usually color coded or tagged for easy identification and matching. Connect the aftermarket stereo. Now that the wiring harness adapter is plugged into the wiring harness and attached to the stereo plug, all you need to do is plug it into the back of your stereo.
What kind of adapter do I need for aftermarket radio?
The aftermarket wiring harness adapter is specifically designed to fit your vehicle’s wiring harness. This allows you to simply plug the new harness adapter into the factory radio harness and makes wiring your stereo fairly straightforward. Connect the new radio’s plug to the wiring harness adapter.