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This is the simplest and best way to get a signal from your factory Harley radio when installing an aftermarket amplifier.
Radio Flash & DSP
It is highly recommended that you either have your radio flashed by an independent bike shop with the proper equipment or rent a flash tool and flash your bike yourself. You can find our flash rental tools here.
Technoresearch has a number of flashes that its software offers. These flashes are all supplied to them by a number of aftermarket amplifier manufactures, but we recommend using the one from Rockford Fosgate. This particular flash has a friendly EQ curve for aftermarket amplifiers and speakers. It also enables rear speakers, front-to-back fader (not all flashes do), bass and treble controls, and speed-dependent volume feature.
Additional Speaker Pod Connectors
This kit also comes with connectors that mate to your fairing speaker pods. This way you can connect your aftermarket amplifier directly into your fairing speaker pods without any cutting or splicing into the bike's wire harnesses. We always recommend using speaker pod connectors along with our signal adapters.
Front or Rear Signal
This kit comes ready to plug directly into the front signal harness of the factory radio on all Harley touring bikes. Optionally we offer a rear signal version that plugs in and converts this adapter to fit the 4 pin connector that Harley uses for the rear channels on 4 channel bikes.
Rear Channel Tech Info
All two-channel bikes (90% of all bikes sold) have a rear speaker output connector located behind the factory radio. This plug however is dead (no signal) unless the radio is programmed for 4 channel output using a flash tool.
Note: This unit is intended to be used with aftermarket amplifiers only. It Will Not work with the factory amplifier(s). This is not high to the low converter. This unit outputs a speaker-level audio signal with an RCA-type connector. Most all modern amplifiers for use with motorcycle applications are designed to accept speaker-level input at the RCAs. Be sure to verify that your amplifier has this feature. If not, a high to low-level adapter must be used in conjunction with this part. Call if you have any questions about this. We can verify for you that your amplifier does or does not have speaker-level inputs if you are not sure.
This kit connects to the front signal harness of the factory Harley radio with plug & play connectors and outputs to your aftermarket amplifier or DSP and includes an integrated circuit that balances the factory Harley radio outputs. This results in a much wider volume range without the distortion that you would otherwise end up with.
(1) Plug & Play Signal Adapter
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Most items ship in 24 hours (83% on average), some items do have a lead time due to manufacturing and tech oversight. All orders are processed and built in the order in which they are received. This allows our experts to review every order and check that it is correct for your specific bike. This means that sometimes you might have to wait a little longer to receive your order, but it’s always worth it!
Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We’ll get you a replacement or refund in a snap! You can find our refund policy here.
Some items have a longer lead time due to custom assemblies and requirements for tech oversight before shipping. We do our best to add estimated lead times directly to the product page for these items as well as inform our customers over the phone. All items in an order will generally ship together, so if you have one or more items that have longer lead times the other items in your order will usually ship out as soon as all parts are assembled and inspected. Please do not plan the ride of your life around the estimated shipping times of your stereo equipment :)
Simply contact us for a return Authorization number and send your item to our returns center for fast processing. We’ll get you a replacement or refund in a snap! You can find our return policy here.
your part is guaranteed to fit
We test fit every part we sell on actual bikes in order to verify fitment on each moden, generation, and in each possible location. You can be sure that if we have stated that a part fits your bike, that it will, or your money back. You will find model, year, and location fitment details on most product pages.
We thoroughly test every part we sell on a real bike
There are a lot of parts out there that we refuse to sell. If it’s not up to our high standards, it never makes it to this website. We have parts that fit various budgets and levels of insanity, but all parts we carry are exceptional performers.
WE ARE FULLY AUTHORIZED RETAILERS FOR ALL BRANDS WE SELL
There are only a select few authorized online retailers for the brands we sell. Most all online retailers (even the really big ones) are not authorized at all! And the manufacturer’s warranty is void before you even get your items.
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You can rest easy - your personal details are never shared, sold, or rented to anyone either.