DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual

DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual & troubleshooting

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Serving the internet community since 1995
USB-DM3
QUICKSTART INSTALLATION GUIDE FOR SMART CHARGING PORT

DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual  & troubleshooting 1

Introduction:

Your vehicle may already have a USB charging port, but unfortunately many are anemic when it comes to amperage (e.g.  00mA). This compact “Smart charger” is optimally tuned depending on the connected device. You always have the most optimal charging current for a fast and safe charging process because the output adapts exactly to the demand of the device battery making the charging process particularly efficient. Supports BC1.2, QC2.0, QC3.0, PE1.1, PE2.0, FCP, SFCP fast charge protocols (Apple, Samsung, Huawei*, etc.) Custom install in a convenient location and discover how this USB charger would be a massive improvement over the cars built-in charging ports or anemic aftermarket charging port you may have already installed.

Installation:

Requires only a 2-wire connection. Remove radio or access panel to car wiring.
To operate only when car is running:
Tap RED wire to vehicle 12V ACC supply
To operate at all times:
Tap RED wire to vehicle 12V Battery supply
Connect the BLACK wire to vehicle ground or to radio chassis.

  1. USB terminal mounting options:
    A. Flush – requires drilling a 13/16” hole
    B. With Support bracket (mount USB terminal wherever your installation
    demands without drilling)
    C. No Mount-free standing

Noteworthy: It may be possible to remove the cigar lighter and install a USB head in its place (requires a 20.6mm (13/16) hole). Please measure prior.
A. Flush with Dash or Panel (requires drilling)

  1. Drill a 13/16” hole to dash or panel using a step drill bit or equivalent (See Fig. 1)DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual  & troubleshooting 2
  2. Insert 3 ft. USB terminal (See Fig. 2) through ¾” hole created in step 1 and mate with charging module (See Fig. 3)DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual  & troubleshooting 3
  3. Snap USB head (See Fig. 4) to the mounting surface (See Fig. 5)DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual  & troubleshooting 4

B. With Support Bracket (No drilling)

  1. Locate a flat surface at the location of choice that is within 4 ft. of radio to mount a USB support bracket using adhesive/tape or screws. (See Fig. 6)DISCOUNT CAR STEREO USB-DM3 Smart Charging Port User Manual  & troubleshooting 5
  2. Follow steps 2-3 from “Flush mount to dash”
  3. Tuck and secure any extra wire from moving parts and test operation

C. Free Standing (Un-Mounted)
Connect your own USB Charging cable directly to Module (See Fig. 3) and route another end from behind the dash to the location of choice.

Operation:

  1. Turn Ignition “ON” (if the RED wire was connected to vehicle ACC supply), otherwise, proceed to the next step.
  2. Connect your device USB charging cable to USB Terminal
  3. The device should begin charging
    If the device does not charge, recheck wiring. If successful go ahead and reinstall radio and or access panels

Special note regarding Apple devices:
iPhone will delay charging past 80% in certain situations

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FAQ


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