Traxxas 7885 Installation Instructions

LED Light Bar Kit Installation Instructions
Kit Contents:
• High-Voltage Power Amplifier
• 3x12mm button-head screws (2)
• Front LED light bar
• 3x8mm cap-head screws (2)
• Rear LED light bar mount
• 3x10mm flat-head screws (2)
Tools needed:
• Tapered body reamer (part #3433 or #3433X, sold separately)
• 1.5mm hex wrench
• 2.0mm hex wrench
• 2.5mm hex wrench
CAUTION: RISK OF INJURY!
Always wear eye protection when using motorized tools.
Use care with hobby knives, tapered reamers, and other
cutting tools as they are extremely sharp and can cause
severe injury, deep cuts, and/or punctures.
Body modification (Fig. 1):
1. Install the included template on the truck body. Align the
arrows with the roof line and rear window as shown in Fig. 1.
2. Using a tapered body reamer, carefully cut the holes in
the truck body for the screw bosses on the rear LED light
bar mount and the rear light bar connectors (note the hole
diameters indicated on the templates and the corresponding
diameter measurements on the body reamer).
CAUTION! To prevent damage to the electronic speed
control (ESC) and/or the high-voltage power amplifier,
ensure the batter(ies) are disconnected before plugging
the amplifier into the ESC.
High-Voltage Power Amplifier Installation (Fig. 5):
1. Install the high-voltage power amplifier (A) on the truck chassis. Ensure that the
connectors on the amplifier face the front of the vehicle. Secure with the 3x12mm button-
head screws (2). Refer to the assembly diagram (Fig. 5) and wiring diagram (Fig. 6).
2. Remove the 3x25mm button-head screws (2) from the electronic speed control (ESC)
to remove the cooling fan cover (Fig. 2).
3. Remove the accessory port cover (Fig. 2); then, reinstall the cooling fan cover on the
ESC using the 3x25mm button-head screws. Be careful not to pinch the ESC wires
during reinstallation.
4. Plug the 8-pin connector from the high-voltage power amplifier into the accessory port
on the ESC (Fig. 3). The amplifier and lights will turn on when the ESC is powered on.
LED Light Bar Installation (Fig. 5):
1. Install the front and rear LED light bars; refer to the assembly diagram (Fig. 5) and
Wiring Diagram (Fig. 6).
2. Install the front LED light bar (B) on the front bumper using the included 3x8mm cap
screws (2). Plug the connector into the high-
voltage power amplifier port A (white) (Fig. 4).
3. Install the rear LED light bar mount (C) on the
truck body using the included 3x10mm flat-head
screws (2).
4. Attach the rear LED light bar (D) to the mount
using the included 2.5x10mm button-head cap
screws (2).
5. Route the connectors from the rear light bar
through the larger reamed hole to the inside of
the truck body. Plug the connectors (red and blue)
into the long extension harness. Use the supplied zip ties to attach the long extension harness to the rear
light bar mount.
6. Plug the short extension harness into the high-voltage power amplifier ports (red connector to C, blue
connector to D) (Fig. 4). Plug the other end (large black connector) into the long extension harness.
7. Use the supplied zip ties to secure all wiring to the chassis.
Traxxas, 6250 Traxxas Way, McKinney, TX 75070, Phone: 972-549-3000, Fax: 972-549-3011, e-mail: support@Traxxas.com
• Rear LED light bar
• Extension harness (long)
• Extension harness (short)
• 2.5x10mm button-head screws (2)
• Zip ties (10)
Tapered Body Reamer
Diameter Measurements
High-Voltage Power Amplifier
Connection Ports
Front LED Light Bar (white)
Rear LED Light Bar (tail lights) (red)
Rear LED Light Bar (reverse lights) (blue)
TR A XXA S .c om
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Fig. 1
6.5mm 9.5mm
0.256" 0.374"
3mm
0.118"
Fig. 3
Fig. 4
Covers Parts #7885
REAR
6.5mm
0.256"
3mm
0.118"
Fig. 2
3x25 BCS
3x25 BCS
Accessory Port Cover
HKC18090-R00 Rev 190226