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PAC TR-4 Remote Turn-on Module , Black

4.0 4.0 out of 5 stars 352 ratings
$18.99 with 5 percent savings
List Price: $19.99

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Purchase options and add-ons

Item dimensions L x W x H 1 x 2 x 1 inches
Voltage 12 Volts
Manufacturer pacific accessory corp
Mounting Type Surface Mount
Brand PAC

About this item

  • Remote Turn-On Module
  • Used to turn on remote amplifiers
  • 2 Second delay to prevent turn-on noise
  • Supplies 2 amps of current
  • Can drive multiple amps or a power antenna
› See more product details

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Product information

Technical Details

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Warranty & Support

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Product Warranty: For warranty information about this product, please click here

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PAC TR-4 Remote Turn-on Module , Black

PAC TR-4 Remote Turn-on Module , Black

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ Yes
  • Product Dimensions ‏ : ‎ 1 x 2 x 1 inches; 0.16 ounces
  • Item model number ‏ : ‎ TR-4
  • Department ‏ : ‎ mens
  • Batteries ‏ : ‎ Product Specific batteries required.
  • Date First Available ‏ : ‎ August 29, 2005
  • Manufacturer ‏ : ‎ pacific accessory corp
  • ASIN ‏ : ‎ B0002J22BE
  • Customer Reviews:
    4.0 4.0 out of 5 stars 352 ratings

Product guides and documents

Instructions for Use (IFU) (PDF)

What's in the box

  • product, manual

    • Product Description

    Module senses voltages as low as 0.8v and provides a 12v output with a 1-second delay. Can be triggered off of speaker leads or +5 remote wires.

    Important information

    Legal Disclaimer

    This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

    Looking for specific info?

    Customer reviews

    4 out of 5 stars
    4 out of 5
    352 global ratings

    Customers say

    Customers like the quality and ease of installation of the electronic component amplifier. They mention that it works as described, and is well built. That said, some complain about compatibility and noise. They say that it didn't bypass the parking brake signal and that it made a loud sub pop when turned on. Customers also have issues with pop resistance, and resetting. Opinions are mixed on performance.

    AI-generated from the text of customer reviews

    5 customers mention5 positive0 negative

    Customers find the installation process of the electronic component amplifier to be easy. They mention that the instructions are clear and the product works as described.

    "Very small so easy to fit behind the dash, clear instructions, worked as described using speaker wire as the trigger...." Read more

    "Easy to install and enough wire to make my connection." Read more

    "the speakers still pop when turned on but it was easy to install." Read more

    "Easy install - works as it should" Read more

    4 customers mention4 positive0 negative

    Customers are satisfied with the quality of the electronic component amplifier. They mention that it works just like it should, is well built, and is a good module.

    "...Upon initial observation, the device was well built. Properly heat shrinked and sealed. Wire lengths were sufficient...." Read more

    "Works just like it should; good product" Read more

    "Good module..." Read more

    "Great product..." Read more

    3 customers mention3 positive0 negative

    Customers find the electronic component amplifier very small and easy to fit behind the dash. They also say it works as described and is a direct fit to the factory harness.

    "Very small so easy to fit behind the dash, clear instructions, worked as described using speaker wire as the trigger...." Read more

    "nice size and function" Read more

    "Direct fit to factory harness for this vehicle...." Read more

    38 customers mention20 positive18 negative

    Customers are mixed about the performance of the electronic component amplifier. Some mention that it works as expected and will buy it again, while others say that it didn't work as expected. Some say that the product works great on their 4000nex radio and can be used to turn on the added amp from a speaker wire when the head unit does not have a trigger. However, some customers also say that they did not work as described using speakers as the remote turn.

    "...so easy to fit behind the dash, clear instructions, worked as described using speaker wire as the trigger...." Read more

    "...I made a relay but felt it was a bit wonky and possible source of noise in system." Read more

    "...Works exactly as it should, my subwoofer doesn't pop when i turn on the truck.Note one thing for me: It does not reset instantly...." Read more

    "Did not work on a pioneer system was a big waste of money. Would love to return but Amazon made returns a nightmare" Read more

    6 customers mention0 positive6 negative

    Customers are dissatisfied with the pop resistance of the electronic component amplifier. They mention that the speakers still pop when turned on, and the amp still pops when powered off.

    "...I still notice the pop when turning on and off but its no where near like it was previously." Read more

    "...but then after switching the amp off and on again the speaker output will be disabled and therefore the module won't turn the remote ever again...." Read more

    "Did not remove the pop that it claimed that it would. Would not buy for that purpose." Read more

    "the speakers still pop when turned on but it was easy to install." Read more

    3 customers mention0 positive3 negative

    Customers are dissatisfied with the compatibility of the electronic component amplifier. They mention that it's not for parking brake bypass, and that it didn't bypass the parking brake signal.

    "...Unfortunately the product did not bypass the parking brake signal and so will not display DVDs. I just went with the switch option...." Read more

    "Not for parking brake bypass, dont be fooled by ad...." Read more

    "Not a hand brake bypass. 😡..." Read more

    3 customers mention0 positive3 negative

    Customers are dissatisfied with the noise produced by the electronic component amplifier. They mention that it's a possible source of noise in their system and that it didn't solve the turn on noise.

    "...I made a relay but felt it was a bit wonky and possible source of noise in system." Read more

    "...when letting off the brake the engine starts back up and there is a loud sub pop. This didn't fix." Read more

    "Nope! Did not solve turn on noise. Amps still powered on the second the power button was clicked and popped the speakers...." Read more

    3 customers mention0 positive3 negative

    Customers are dissatisfied with the resetting of the electronic component amplifier. They mention that it does not reset instantly, there is no delay when turning the car off, and it does a little warble.

    "...on and turn the signal off and then back on again it quickly, it will not time delay...." Read more

    "...a second delay to help with pops turning on but there is no delay when turning the car off and I get a little warble when I turn off the car." Read more

    "piece of crap takes 10 seconds to trigger, stays on for 2 seconds, then turns off. what a damn waste of money" Read more

    Top reviews from the United States

    J. R.
    5.0 out of 5 stars Just what I needed to add amplifiers to a factory stereo
    Reviewed in the United States on February 9, 2019
    Verified Purchase
    Very small so easy to fit behind the dash, clear instructions, worked as described using speaker wire as the trigger. Just one note: The 6 volts DC that is present between the speaker output on the factory stereo and ground stays on for about 30 seconds after the radio goes off. Also it will turn back on when remotely unlocking the doors. It will turn back off again though if you don't start the car. This has not caused any problem and seems to be normal operation of CAN-BUS systems in newer vehicles.
    4 people found this helpful
    Helpful
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    Amazon Customer
    5.0 out of 5 stars added to aftermarket remote on for multiple audio components
    Reviewed in the United States on June 24, 2020
    Verified Purchase
    It states that the green wire should be attached to low voltage speaker wire, I hoped it would work to allow remote-on wire from aftermarket pioneer head unit to turn on multiple audio components. I hooked up to amplifiers (2), an electronic crossover, and 12 volt power block with digital voltage display to blue wire and it worked (so fare so good). I never knew that a remote out wire should really only be used for one remote-on audio comp. so this is new to me, glad I found it. I made a relay but felt it was a bit wonky and possible source of noise in system.
    One person found this helpful
    Helpful
     Report
    Grady joe sanders
    1.0 out of 5 stars Does not work
    Reviewed in the United States on February 25, 2024
    Verified Purchase
    Did not work on a pioneer system was a big waste of money. Would love to return but Amazon made returns a nightmare
    Helpful
     Report
    Amazon Customer
    5.0 out of 5 stars Works great
    Reviewed in the United States on December 6, 2019
    Verified Purchase
    Used this when the amp wire wasn't working for my head-unit so that i could use another acc power.
    Works exactly as it should, my subwoofer doesn't pop when i turn on the truck.

    Note one thing for me: It does not reset instantly. So if you turn it on and turn the signal off and then back on again it quickly, it will not time delay. This is due to its design which is how any delay using a capacitor is going to work.
    Helpful
     Report
    PxZ
    3.0 out of 5 stars Not sensative to weak signal
    Reviewed in the United States on June 4, 2023
    Verified Purchase
    It does not operate properly when input signal is low. It may be OK for amplified application.
    One person found this helpful
    Helpful
     Report
    Marcos Nevarez Jr.
    5.0 out of 5 stars Bypass connector
    Reviewed in the United States on January 27, 2024
    Verified Purchase
    When you want to bypass your parking brake on your andriod auto stereo it is a must works great would definitely recommend!
    14 people found this helpful
    Helpful
     Report
    RunCycleSki
    5.0 out of 5 stars Works Great on Factory Head Unit Without Remote Output to Power Amplifier
    Reviewed in the United States on June 21, 2017
    Verified Purchase
    Worked perfectly for me. I wired an amplifier and new speakers from my factory head unit which does not have a remote wire output for the amp. So I purchased this to act as a remote signal. I connected all of the power leads directly to my amplifier and then spliced the blue wire into a pre-amp speaker wire. Now my amp turns on when the radio turns on and there is no more loud pop due to the delay.

    I would highly recommend this to anybody without a remote wire on their head unit.
    2 people found this helpful
    Helpful
     Report
    ChrisPitt
    5.0 out of 5 stars Direct fit to factory harness for this vehicle.
    Reviewed in the United States on October 12, 2023
    Verified Purchase
    Easy to install and enough wire to make my connection.
    Helpful
     Report

    Top reviews from other countries

    Translate all reviews to English
    lefty33
    5.0 out of 5 stars Quick shipping
    Reviewed in Canada on November 7, 2018
    Verified Purchase
    Item as advertised
    One person found this helpful
     Report
    Cesar@lf
    5.0 out of 5 stars Grande, feo, bromoso y sin estilo pero Me encantó
    Reviewed in Mexico on October 11, 2017
    Verified Purchase
    Su funcionamiento no tiene queja. Solo podía conectarlo al negativo de la bocina de un canal trasero y es suficiente para que ponga en marcha el amplificador con 2 segundos de demora. Se supone que es 1 segundo pero el mio da 2. Solo se apaga cuando apago mi estereo (HU) o saco la llave del encendido. Gracias a esta cosa me ahorré cablear el encedido remoto y siento que hasta el ruido del alternador desapareción (a lo mejor solo me acostumbre).
    He notado que, aunque los productos de PAC son feos, realmente funcionan muy bien.
    Report