Diamond Audio Stage 2 Installation Guide | 2014+ Road Glide

• Panel removal tool
• T25 torx bit
• T27 torx bit
• 3/16 hex bit
• 1/8 hex bit
• Ratchet wrench
• Fender cover
• Heat gun

• Remove the speaker grilles from the inner fairing by prying out closest to the handlebars with a plastic panel removal tool.
• Remove the T27 torx bolt located towards the outside of the speaker.
• Remove the T27 torx bolt located at the bottom of the fairing on the outer edge.
• Remove the 3/16 hex bit to remove the screw securing the turn signal.
• Place a cover over the front fender to protect the painted surface.
• Remove the four 1/8 inch bolts that secure the windshield.
• Remove the windshield.
• Remove the fairing vent by pulling straight up to release the retaining clips.
• Disconnect any wiring harness connected to the outer fairing.
• Remove the outer fairing.

Step 2

Remove the factory speakers:

• Use a T25 torx bit to remove the four screws holding in each speaker.
• Disconnect the 1/8th and 1/4 inch speaker wire connections.
• Using a heat gun, warm the inside of the speaker pod until the interior fins are able to be removed.

Step 3

Installing your new Diamond Audio 6.5 inch horn speakers:

• Use the provided crossover, connect the 1/4 inch and 1/8th inch spade connector to the 1/4 inch and 1/8th inch prongs on the 6.5 inch speaker.
• Using the bare wire side of the crossover and the provided speaker wire pigtail, twist the red wires together and twist the black wires together.
• Insert the red wires into the red push terminal.
• Insert the black wires into the black push terminal.
• Connect the spade connector on the provided pigtail to the factory wiring from the speaker pod.
• Insert the speaker assembly into the speaker pod, being sure to line up the mounting holes.
• Mount the speaker with the logo upside down.
• Heat up the exterior of the speaker pod to soften the plastic enough to push the speaker into place. In this case we are using the speaker to mold the pod.
• Secure the speaker into the pod with the provided black phillips head screws.
• We recommend starting all four by hand and than carefully tightening down with a screwdriver. 

Step 4

Removing the factory radio:

• Remove the two T25 torx bit bolts that secure the metal support bracket located on top of the radio.
• Disconnect all connections from the back of the factory radio.
• Depress the tabs to release the connections
• Using a 3/16 inch hex bit, remove the four bolts that secure the factory radio.
• Set these to the side as they will be reused.
• Lift the radio up and towards the front of the bike to remove.

Step 5

Mounting the amplifier:

• The kit will come with a few mounting options:
• We will provided four velcro squares that can be used to mount the amplifier to the amplifier bracket.
• The kit will come with velcro sheets that can be used.
• You may choose to drill into the mounting plate and secure using screws.

Step 6

Installing the amplifier mounting plate:

• Remove the four T25 screws from the fairing support plate.
• Place the provided amplifier mounting plate under top of the top plate, being sure to line up the four holes. The lip of the amp bracket will slide over the rear crossbar in the support plate.
• Secure with the four provided nuts and bolts through the mounting holes.
• We recommend starting all four by hand and than tightening down.

Step 7

Replace the radio:

• Place the radio into the factory location and loosely place the four 3/16 inch bolts
• Connect the factory USB to the back of the head unit.
• Connect the factory AM/FM antenna to the back of the radio.

Step 8

Installing the MSTLINK harness on a factory head unit:

• Insert the male factory connection into the rear of the radio.
• Connect the female main connector to the factory main connector from the motorcycle.
• Connect the four pin molex connector with RCA's labeled Front Left & Front Right to the Front Input.
• Connect the four pin molex connector with RCA's labeled Rear Left & Rear Rights to the Rear Input.
• Connect the four pin molex connector with White & Grey wires to the Front Output.
• Connect the four pin molex connector with Purple & Green wires to the Rear Output.
• Connect the provided blue remote turn on wire.
• Connect the male bullet connector to the female bullet connector coming from the Diamond Audio head unit.
• Place the other end with the wire ferrule into the REM port on the amplifier and secure using a 2mm allen.

Installing the MSTLINK harness on an aftermarket head unit:

• Insert the male factory connection into the rear of the radio.
• Connect the female main connector to the factory main connector from the motorcycle.
• Use the provided 2 channel RCA's to connect the head unit to the input side of the amp.
• • One end of the RCA's has a tag "To Source," connect this end to the RCA's on the back of the head unit.
  • Red to Red
  • Clear to White
  • Connect the other end of the RCA's to the RCA to Molex adapter.
  • Red to Red
  • Clear to Clear
  • Repeat the process for both the Front & Rear RCA
• Connect the four pin molex connector with White & Grey wires to the Front Output.
• Connect the four pin molex connector with Purple & Green wires to the Rear Output.
• Connect the provided blue remote turn on wire.
• Connect the male bullet connector to the female bullet connector coming from the Diamond Audio head unit.
• Place the other end with the wire ferrule into the REM port on the amplifier and secure using a 2mm allen.

Step 9

Running the power and ground wires:

• For this step you will need to remove the seats and gas tank to expose the wire chase.
• Remove your seat.
• Remove the T40 bolts that secure the ECU plate on top of the battery, disconnect the two connections on the ECU plate.
• Remove the two T40 bolts that secure the front of the gas tank, near the forks.
• Remove the two T40 bolts that secure the bottom of the gas tank by the battery.
• Remove the fuel line by sliding the collar up and than pulling straight down.
• We recommend having a towel handy as a small amount of fuel may drip when the collar is removed.
• Remove the vent lines and lift the gas tank up and off the motorcycle.
• Once the wire chase is exposed, remove the cover by lifting the tabs around the edges.
• Remove the 60 AMP fuse from the inline fuse of the provided power wire.
• Route the power and ground wires in the wire chase.
• The end with wire ferrel will connect to the amplifier.
• The end with ring terminals will connect to the battery.
• Route the wires through the fairing on the Left side (clutch side) and towards the amplifier.
• Place the wire ferrel on the red power wire into the 12V in port on the amplifier and secure the wire ferrule with a 2mm allen wrench.
• Place the wire ferrel on the black ground wire into the Ground port on the amplifier and secure the wire ferrel with a 2mm allen wrench.
• Clean up the wires on the wire chase, you can use a few zip ties to hold everything in place.
• Connect the power wire to the positive battery terminal.
• Connect the ground wire to the negative battery terminal.
• Insert the 60 AMP fuse back into the inline fuse holder.
• Secure any extra power and ground wire.

Step 10

Check the functionality of your Stage 2 bundle:

• Turn the ignition on so that the radio powers on.
• Find a song that will play for at least a few minutes.
• Turn up the volume on your head unit to about 75% of the MAX volume.
• Using a small flathead screwdriver adjust the Front Gain (Front Speakers) until your desired sound level is reached.
• You can make any other EQ settings changes with in the head unit.

Step 11

Replacing the outer fairing:

• Replace the two T25 torx bolts that secure the black support bracket that sits on top of the radio.
• The curve in the piece should face up towards the top of the fairing.
• Replace the outer fairing.
• We recommend using one of the windshield bolts to temporarily hold the outer fairing while you make the other connections.
• Reconnect any wiring harnesses.
• Replace the two 3/16 hex bolts that secure the turn signals.
• Remove the temporary bolt
• Install the fairing vent by pushing it into place.
• Replace the windshield and replace the four 1/8 inch bolts and windshield trim.
• Replace the two T27 torx bolts that secure the lower fairing.
• Replace the two T27 torx bolts located near the speakers.
• Replace the speaker grilles on each side.

Congratulations on installing your new
Diamond Audio Stage 2 Bundle!