Azuga GV620MG Technical Information: Lights and 18 Wires

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This is the technical sheet for the GV620MG. It covers the lights, the wiring, the mounting order, the specs and the portal steps. Use it next to Azuga's own guide, not instead of it.

Lights: tap a pattern

Colors are unconfirmed

Azuga names three lights, CEL, GPS and POWER, and describes patterns, but never gives their colors. A ServiceTitan copy of the install guide for a rechargeable tracker in the same family says the cell light is green, the GPS light is blue and the power light is red. That is a third party, and it does not name the exact model. We use those colors in the drawing and mark them unconfirmed. Slow and fast flash timing is also not published, so our timing is approximate.

Tap a light pattern to see it

Each button plays the pattern on the device above and says out loud what it means.

Documented patterns

Sound

🔇 Azuga does not mention a buzzer or a button on the GV620MG.

That is silence, not a statement of no sound. We treat it as silent in the field.

The 18-pin harness

Azuga's GV620MG guides name only four wires. The full 18-wire list below comes from Azuga's article for the older GV600 family, which describes the same harness. Azuga says it supports only red and black. For anything else, Azuga says to contact customercare@azuga.com. For dual-color wires, the first color is the primary.

Pin	Color	Function
1	Red	Primary power, 8 to 32 V. Connect to constant +12 or +24 V.
2	Red/Green	Secondary power, 8 to 32 V (the source spells the label RWR2)
3	Black	Primary analog ground. Chassis ground.
4	Black	Secondary analog ground
5	White	Ignition detect, positive trigger
6	Green	Analog input, 0 to 32 V
7	Red/White	Accessory power out, 400 mA max
8	Black/White	Accessory ground
9	Gray	1-Wire temperature sensor input
10	None	Not connected
11 to 14	Blue, Yellow, Brown, Orange	Negative trigger input or open-drain output, 150 mA max each
15, 16	Purple, Purple/White	RS-232 receive and transmit
17, 18	Pink, White/Black	TTL receive and transmit

The ignition wire matters

Azuga says to put the white wire on a circuit that is live only while the asset operates. Put it on an always-live circuit and the engine hours will be wrong.

Install and portal steps

Note the serial number and IMEI. Azuga’s guide uses both.
Mount per the order on the product page: antenna up, clear sky, front screws first, bottom screws crisscross, tighten last.
Connect red and black. Add white only for engine hours.
In Azuga Fleet, open Admin, then Assets, search by IMEI (listed as Azuga Devices), open the three-dot menu, choose Edit, set a unique short name, fill every required field and save.
Open the Live page. It shows event, address, last report time and speed. Click the asset name for the breadcrumb trail.

Azuga does not state an activation duration. A ServiceTitan copy of the guide says a GPS ping can take several hours to appear on the Live map. Plan for that before you call it a failure.

Before you drill

Walk the asset first. Find a stable surface with a clear view of the sky where the lights can be seen. Find the asset's constant power and, if you want engine hours, a circuit that is live only when the asset runs. Meter both. Azuga's guide says to connect red to constant power from 8 to 32 V and white to the ignition source, so prove those wires before the tracker is bolted on. Leave the unused harness wires alone and insulate their ends, since Azuga supports only the red and black wires and points you to customer care for the rest.

Where to go wrong

Tightening the screws before all four are in, which risks the waterproof seal.
Mounting under metal or in an enclosed space, which hurts the antenna.
Using a duplicate asset name. The portal does not allow it.
Putting white on a circuit that is always live.

Sources: GV620MG install guide, GV620MG technical specifications, GV600 18-pin article, GV600 wire article, ServiceTitan rechargeable tracker guide (third party). AZUGA is a trademark of its owner. API Signal is an independent installer and is not Azuga.