OEM Audio Reference Series User manual

Reference/System SeriesTOYOTA Tacoma
Issue C 09/15/19 Page | 1
Preparation
Hardware Content
Item Quantity Description
1 2 1” Soft Dome Tweeter with
Neodymium Magnet
2* 2 6”x9” Carbon Fiber Woofer
with Neodymium Magnet
3* 2 6.5” Carbon Fiber Coaxial
Rear Speaker
4 1 8” Carbon Fiber Subwoofer in
Custom Fit Sealed Enclosure
5 1 DSP Amplier
6 1 Quick-Sync Wiring Harness
7 1 Subwoofer Umbilical Cable
8 1 Fuse Holder Assembly
9 1 20A Fuse
10 1 Corrugated Loom
11 10 Cable Ties (Not pictured)
12 1 Foam Insert (Not pictured)
Recommended Tools
Personal & Vehicle Protection Notes
Safety Goggles
Protective Blanket
Safety Gloves
Special Tools Notes
Panel Clip Removal SST # 00002-06001-01
Socket Wrench
Sockets 10mm, 14mm
Socket Extension 6”
Screwdriver #2 Phillips
Side Cutters
Wire Strippers Needed for 12g butt Sealed-Crimp-
Solder Connectors
Heat Gun Needed for 12g
Installation Tools Notes
Masking Tape
Foam Tape
Cable Ties 10 piece bundle included
Special Chemicals Notes
Lubricant For Pulling Wire Through Grommet
Silicone Sealant For Sealing Grommet
Item 1 Item 2* Item 3* Item 4 Item 5
Item 6 Item 7 Item 8 Item 9 Item 10
Legend
STOP: Damage to the vehicle may occur. Do not
proceed until process has been complied with.
TOOLS & EQUIPMENT: Used in Figures to call out the
specic tools and equipment recommended for the
process.
Kit Contents: OEM Audio Plus Reference/System Series
*Item applies to Reference 500 ONLY

Reference/System SeriesTOYOTA Tacoma
Issue A 09/15/15 Page | 2
Preparation
Table of Contents
I.Preparation...................................................................................................1-2
1. Table of Contents...................................................................................2
II. Procedure
1. Vehicle Preparation.................................................................................3
2. Front Door Speaker Installation..............................................................3-6
3. Rear Door Speaker Installation...............................................................6-8
4. Prepping for Subwoofer Umbilical Run....................................................8-9
5. Subwoofer Installation.........................................................................9-12
6. Amplier Installation.........................................................................12-14
7. Finalizing Subwoofer Umbilical Run.....................................................14-15
8. Quick-Sync Wiring Harness Install......................................................16-20
9. Radio Removal................................................................................20-21
10. Quick-Sync Wiring Harness Continued...............................................21-22
11. Power Wire Installation..................................................................22-25
12. Installation of the Fuse Holder.........................................................25-26
Accessory Installation Practice (read before installation)
Care must be taken when installing this accessory to ensure damage does not occur to the vehicle.
The installation of this accessory should follow approved guidelines to ensure a quality installation.
These guidelines can be found in the “Accessory Installation Practices” document.
This document cover such items as:
• Vehicle Protection (use of covers and blankets, cleaning chemicals, etc.)
• Safety (eye protection, checking torque procedure, etc.)
• Vehicle Disassembly/Reassembly (panel removal, part storage, etc.)
• Electrical Component Disassembly/Reassembly (battery disconnection, connector removal,
etc.)
Please see your Toyota/Scion/Lexus dealer for a copy of this document.
Revisions and other installation assets
OEM Audio Plus is committed to providing components and instructions designed for seamless
integration. Please visit oemaudioplus.com for the most up to date installation related documents
and media.
Important Warranty Information
Failure to completely and properly Warranty Registration may result in possible reduction or
complete denial of future warranty claims. Complete yours today at oemaudioplus.com/registration
or call: 855 OEM ODIO for more details and alternative methods of system registration.

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 3
Fig. 2-1
Door Nomenclature
A Panel
Door Latch
Grab Handle
Window/Door
Lock Panel
Fig. 2-2
Fig. 2-3
Fig. 2-4
Panel Tool
1. Vehicle Preparation
a. Apply parking brake.
b. Open the trunk and hood of the vehicle.
c. Disconnect the negative (-) battery cable.
d. Prepare a protective surface to place all vehicle
components on.
**Section 2 is for Reference 400CF Only**
2. Front Door Speaker Installation
a. Remove Door Panels
1. Remove A Pillar by pulling straight and away
from door (Fig. 2-1). Disengage any clips that
remain in the door and return to the A Pillar
panel. (Fig. 2-2)
2. Disengage door locking tab. (Fig. 2-3)
3. Use a panel tool to remove the window/door
lock control panel. Note: Insert tool between the
front edge of the panel of the trim to remove.
(Fig. 2-4)

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 4
Fig. 2-5
Fig. 2-6
Fig. 2-7
Fig. 2-8
4. Disconnect window/door lock control
connectors from the panel. Use of a pick tool
or precision screwdriver is needed to release
connector. (Fig. 2-5)
5. Use a pick tool to remove the cover behind the
interior door latch. (Fig. 2-6)
6. Remove #2 Phillips screw behind the
door latch.
7. Use a pick tool to remove the cover below
door grab handle and remove the #2 Phillips
screw behind the cover.
8. Use panel tool to disengage the clips behind
the door panel one at a time. Start at the
bottom, then the sides, and nish at the top.
Use gentle force to remove door panel. (Fig. 2-7)
10. Set door panel aside.
b. Install 6x9 speaker
1. Disconnect the 6x9 speaker connector.
(Fig. 2-8)
Pick Tool
Pick Tool
Panel Tool

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 5
Fig. 2-9
Fig. 2-10
Fig. 2-11
Fig. 2-12
2. Remove the four 10mm bolts holding the
factory 6x9 speaker in place and remove
speaker. (Fig. 2-9)
3. Mount the 6x9 OEM Audio Plus speaker by
using the four 10mm bolts and re-install 6x9
speaker connector.
c. Install OEM Audio Plus 1” Tweeter
1. Remove the two 10mm bolts holding the
factory speaker in place. (Fig. 2-10)
2. Disengage clip holding side mirror control
connector housing to speaker bracket. (Fig. 2-11)
3. Disconnect factory dash speaker and remove.
(Fig. 2-12)
Socket 10mm
Socket 10mm
TextText

System/Reference SeriesTOYOTA Tundra
Procedure
Issue B 04/26/19 Page | 23
3. Disconnect factory dash speaker. (Fig.
10-3)
b. Factory Connector Swap
1. With the factory speaker out of the vehicle,
take note of the wire orientation. The red wires
are positive and the black wires are negative.
(Fig. 10-4)
2. Carefully remove the connector exterior foam.
(Fig. 10-5)
3. With a precision screwdriver or pick tool,
lift the locking tab of the factory connector (Fig.
10-6).This tab only needs to be lifted slightly to
release the pins in the connector. You will see the
tab lifted, yet level, when properly disengaged.
(Fig. 10-7)
Fig. 10-3
Fig. 10-4
Fig. 10-5
Fig. 10-6
Pick Tool

System/Reference SeriesTOYOTA Tundra
Procedure
Issue B 04/26/19 Page | 24
4. With the wire you intend on removing in your
grasp, use a precision tool to disengage the locking
tab within the connector housing securing the
terminal. (Fig. 10-8)
5. When locking tab is disengaged, terminal will pull
out with ease. Repeat these steps for all four (4)
wires.
6. Insert the OEM Audio Plus Tweeter terminals
into the factory connector housing in the same
orientation as the factory wiring. Terminals will slide
into the housing and will click when engaged. (Fig.
10-9)
7. Once all terminals are inserted, engage the
locking tab on the connector housing and reapply
exterior foam.
Note: For the right tweeter, OEM Audio Plus uses
the yellow and blue wire colors. Yellow is positive,
blue is negative. (Fig. 10-10)
Fig. 10-7
Fig. 10-8
Pick Tool
Fig. 10-9
Fig. 10-10
Note: The OEM Audio Plus Tweeter uses
red and black wire colors. Red is
positive, Black is negative. Follow original
factory orientation. (Fig. 10-10)
Note: The OEM Audio Plus Tweeter uses
red and black wire colors. Red is
positive, Black is negative. Follow original
factory orientation. (Fig. 10-10)

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 6
Fig. 2-13
Fig. 3-2
Fig. 3-3
Fig. 3-1
4. Position OEM Audio Plus 1” Tweeter in
position and re-install dash speaker connector.
(Fig. 2-13)
5. Mount the OEM Audio Plus dash speaker by
using the two 10mm bolts.
**For steps on swapping your factory dash
speaker connector with your O+ tweeter (If
applicable). See included addendum.**
d. Reassemble door in reverse order - taking time to
ensure all clips are engaged.
**Section 3 is for Reference 400CF Only**
3. Rear Door Speaker Installation
a. Remove door panels
1. Use a pick tool to remove the cover behind the
interior door latch. (Fig. 3-1)
2. Remove #2 Phillips screw behind the door
latch.
3. Remove the #2 Phillips screw in the door grab
handle cavity (Fig. 3-2). Lift grab handle straight
up with gentle force to remove.
4. Disengage door locking tab. (Fig. 3-3)
Pick Tool
**Section 3 is for Reference 500 Only****Section 3 is for Reference 500 Only**

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 7
Fig. 3-4
Fig. 3-5
Fig. 3-6
Fig. 3-7
5. Remove door pillar by prying away from door
assembly. Disengage any clips that remain in the
door and return to panel. (Fig. 3-4)
6. Use a panel tool to remove the window control
panel. (Fig. 3-5)
7. Disconnect window control connector from the
panel.
8. Use gentle force to remove door panel. Start
at the bottom, then the sides and nish at the
top. (Fig. 3-6)
b. Install 6.5” OEM Audio Plus speaker
1. Disconnect the 6.5” factory speaker
connector. (Fig. 3-7)
2. Remove the three 10mm bolts holding
the factory 6.5” speaker in place and remove
speaker.
Panel Tool

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 8
Fig. 3-8
Fig. 4-1
Fig. 4-2
Fig. 4-3
3. Mount the 6.5” OEM Audio Plus speaker by
using the three 10mm bolts and re-install 6.5”
speaker connector. (Fig. 3-8)
c. Reassemble door in reverse order - taking time
to ensure all clips are engaged. Failure to securely
reinstall door panel may result in rattles.
4. Prepping for subwoofer umbilical run
a. Remove the drivers side rear threshold by pulling
in an upward motion. (Fig. 4-1)
b. Remove the drivers side front threshold.
c. Loosen seatbelt trim weather-stripping by hand
and remove carefully in an outward direction on
both the front and rear passenger side thresholds.
(Fig. 4-2)
d. Remove the lower seatbelt mounting bolt cover
and bolt (14mm). (Fig. 4-3)
Socket 10mm
Socket 14mm

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 9
e. Disengage drivers side seat belt trim panel by
pulling directly towards you from the lower portion of
the panel and working your way up disengage clips.
(Fig. 4-4)
f. Check for white snaps that may not have come
off with the panel. Re-insert to panel if applicable.
(Fig. 4-5)
5. Subwoofer Installation
a. Fold rear drivers side seat forward and remove
hardware trim covers by pulling in an upward
direction. (Fig. 5-1, 5-2).
Fig. 4-4
Fig. 4-5
Fig. 5-1
Fig. 5-2

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 10
b. Using a 14mm socket, remove the two 14mm
seat bolts securing the seat back rest in position.
Remove seat back rest. (Fig. 5-3)
c. Using a 10mm socket, remove the three 10mm
bolts securing the rear storage panel from behind
the drivers side rear seat. (Fig. 5-4)
d. Hold the panel and disengage the front and top
edge snaps one at a time while simultaneously
pulling the panel towards you. Remove panel.
(Fig. 5-5)
e. Remove the weather-stripping on the rear driver
side door to access the side/rear panel. (Fig. 5-6)
Fig. 5-3
Fig. 5-4
Fig. 5-5
Fig. 5-6
Socket 14mm
Socket 10mm

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 11
f. Apply pressure to the panel pushing towards the
passenger side to disengage the locking clips. The
bottom-locking clip of the panel may require a panel
tool to disengage. Position the tool between the tab
and the frame of the vehicle and pry open. (Fig. 5-7)
g. You’ll need just enough room to run the umbilical
cable to the drivers side of the passenger side
bench. Tuck the umbilical along the side/rear panel
using cable ties as necessary for a clean run.
(Fig. 5-8)
h. Continue to run the length of the wire alongside
the drivers-side threshold towards the front of
the truck. Lock plastic clips after running the wire
through. Once getting to the seat belt trim lay
the subwoofer cable connector for the time being.
(Fig. 5-9)
i. Position the rear storage panel back in the vehicle
running the sub connector through with 3 inches
of slack remaining once panel is in rested position.
Reinstall rear storage panel ensuring all clips are
engage and hardware. (Fig. 5-10)
Fig. 5-7
Fig. 5-8
Fig. 5-9
Fig. 5-10
Socket 10mm

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Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 15
b. Unfasten white plastic carpet clips along the
threshold area and lift carpet edge to expose cable
route. (Fig. 7-3)
c. Run the cable under the carpet and exit under the
seat through the opening used by the existing factory
wiring - pull about 12 inches of slack. (Fig. 7-4)
d. Reinstall the rear weather stripping, drivers
side seat belt trim and rear threshold panel.
(Fig. 7-5, 7-6)
Fig. 7-3
Fig. 7-5
Fig. 7-4
Fig. 7-6

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 16
8. Quick-Sync Wiring Harness install
a. Run Quick-Sync Harness and install ground
1. Remove the dead pedal in the driver-side kick
panel area. Using the panel tool, wedge this
piece out of place and pull directly toward you.
(Fig. 8-1)
2. Remove the driver-side threshold and driver-
side kick panel by unscrewing the black locking
tab. (Fig. 8-2)
3. Continue routing the Quick-Sync Wiring
Harness radio connects and power wire towards
the driver sidekick panel area. Use cable ties as
necessary and leave wires in kick panel oor area
for time being. (Fig. 8-3)
4. Run the Quick-Sync Harness’ amplier
connectors and ground under the carpet opening
from the front driver’s side threshold to the
opening used by the factory wiring that connects
under the seat. (Fig. 8-4, 8-5)
Fig. 8-1
Fig. 8-2
Fig. 8-3
Fig. 8-4
Panel tool
Cable ties

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue A 09/15/15 Page | 17
5. Leave about 6-10 inches of slack for the
white, gray and black connectors from the carpet
opening. (Fig. 8-6)
6. Locate the factory ground underneath the
carpet and remove the 10mm ground bolt.
(Fig. 8-7)
7. Install the harness ground together with
the factory ground and re-install the 10mm
bolt. Note: Make sure harness ground terminal
rests on top of the factory ground terminal.
(Fig. 8-8, 8-9)
Fig. 8-5
Fig. 8-7
Fig. 8-6
Fig. 8-8
Socket 10mm

Reference/System SeriesTOYOTA Tacoma
Procedure
Issue C 09/15/19 Page | 17
g. You will be left with the remote cable, the 20-
pin connector of the Quick-Sync Wiring Harness
and the 8-pin connector of the Subwoofer Umbilical
underneath the driver’s side seat. (Fig. 8-7)
h. Plug the remote cable and 20-pin from the Quick-
Sync Harness into their designated receptacles on
the DSP Amplier. The 20-p connector inserts into
the receptacle towards the front of the vehicle.
(Fig. 8-8) Note: You want to make sure the Quick-
Sync Wiring Harness has enough slack so that the
cable is in a rested position even when the driver’s
seat is pushed all the way back.
i. Connecting the Subwoofer :
1. (For SINGLE Subwoofer)
Connect the 8-pin connector of the
Subwoofer Umbilical (C09) into the
SUBWOOFER OUTPUT receptacle on the
Amplier. (Fig 8-9)
1. (For SP/DUAL Subwoofer)
Connect the SPU-Input Connector (C12) from
the SUBWOOFER OUTPUT receptical on the
DSP Amplier, to the INPUT receptical on the
SUB Amplier. (Fig. 8-10)
Fig. 8-7
Fig. 8-8
Fig. 8-9
Fig. 8-10
subwoofer
output
input