How do you connect a head unit to an amp?
Connecting your New Head Unit to an Amp Plug in the remote turn-on wire. If you have an amp in your system you want to make sure that you wire it in as well. Plug in the RCA cables. RCA cables are the insulated cables that transmit the sound signal from your head unit to the amp. Set the gain on your amp.
How do you disconnect a car radio head unit?
Disconnect the car radio head unit wiring. With most harnesses, you will have to squeeze a clip or two for the harness to release from the radio. Make sure that you examine the harness before pulling on it. Be sure the harness you purchased fits the vehicle harness.
What kind of amps do I need to replace my audio system?
For replacement any aftermarket multi-channel (5ch) or combination of amps will work well. Most modern amps are looking for 2-4 volts at the low level inputs which is a problem for the factory head units.
Can a Lexus radio head unit be replaced?
Once I knew it was not a cabling issue I replaced the amp with a used lexus amp. Don’t install an after market amp as its much more complicated to get it to work properly with the lexus radio head unit. Just buy a like for like model that is used but tested as working.
For replacement any aftermarket multi-channel (5ch) or combination of amps will work well. Most modern amps are looking for 2-4 volts at the low level inputs which is a problem for the factory head units.
Are there any aftermarket audio systems for 2001?
Some 2001 and 2002’s are equipped with factory navigation incorporating HVAC controls – there is no currently available solution to convert these to aftermarket.
What should I replace my navigation system with?
A project is under way to develop solutions for navigation equipped vehicles. Several amplfiers came installed in the 100 series and differ in output power for the system options equipped. For replacement any aftermarket multi-channel (5ch) or combination of amps will work well.
What happens when the amplifier key is turned off?
The circuit below will hold the accessory power input to the head unit on for about 4 seconds after the key is switched off. When using this circuit it’s necessary to drive the amplifier remotes from accessory power rather than the remote output of the head unit. Note: this will only work for low current accessory wires to head units.