Geotab Installation Guide

How Is a Geotab Device Installed?

A Geotab device is installed in four moves: choose the harness that fits the vehicle's connector, connect the device by plug or by three wires, secure it where nobody will kick it, then confirm in Geotab's tools that it is reporting. The details change by device: a GO10 always rides on a harness, while an asset tracker may have no wiring at all.

Every job starts the same way. Geotab asks for the serial number to be written down and the unit added to the customer's MyGeotab database before it goes in. We also run the vehicle once to confirm no warning lights are already on.

What Needs Doing Before the Install?

Before any tool comes out, the connector, the power circuits and the harness plan all get checked, which is where most return trips are prevented.

Which Harness Does the Connector Call For?

The harness is picked by the connector on the vehicle and the generation of the device. GO10 and GO10 Plus units take the X-series kits; the GO9 family takes the earlier 16-pin style. Our harness page lists the rest.

Where a specialty harness has no GO10 version, Geotab offers the short HRN-XBS16A1 bridge. Newer vehicles that run an Ethernet diagnostic network get checked against Geotab's vehicle-specific install notes first, since some need a bypass step on the T-harness.

How Are Constant, Ignition and Ground Metered?

Each circuit is proven with a multimeter first, because a guess here shows up later as bad trip data.

• Constant: battery voltage in every key position, including off.
• Ignition: 12 V or 24 V in ON and RUN, zero in OFF. A circuit live in accessory, or one that drops out during cranking, does not qualify.
• Ground: clean metal or a factory ground stud with solid continuity. Paint and rust cause intermittent resets.

What Are the Harness Length and T-Harness Rules?

The whole harness chain must stay within 2 metres, about 6.5 feet, and two T-harnesses may never be joined, whatever their length. Breaking either rule can corrupt data and upset the engine computer. Extra reach comes from a straight extension such as the HRN-BS16S4 or the flat HRN-BS16S4F, counted inside that 2 m budget.

What Does the CARB Compliance Note Mean?

Geotab marks certain harnesses as restricted under CARB rules when they relocate the vehicle's diagnostic connector. For those vehicles a straight harness or a direct plug-in is the compliant route, and Geotab says the GO10 bridge may only be used there when connected straight to the data link connector rather than in a T-harness layout. Any CARB Executive Order label supplied goes in the engine bay near the emissions label.

How Is a GO10 Plugged In?

A GO10 is plugged in through an X-series T-harness whose adapter takes the factory port's place in the dash. Geotab's sequence:

1. Find the OBD-II port, usually in the driver's footwell, and release it from its clip, screws or snap mount.
2. Choose the adapter that matches the original port, slide it onto the short lead until it clicks, and join the two harness sections.
3. Plug the harness onto the vehicle port, tie it, and mount the adapter where the port used to sit.
4. Click the harness into the GO10.
5. Turn the ignition on and leave the unit alone through its 60 to 80 second startup.
6. Fasten the GO10 with at least two cable ties.
7. Validate the job at install.geotab.com.

PTO or immobilizer wiring adds the HRN-XGL06S6 I/O harness.

How Is a GO9 Family Device Plugged In?

A GO9, GO9+ or GO9B can plug straight into the port; we normally use a T-harness to lift it out of knee range.

1. Plug the device in and listen for six rapid beeps, which confirm it sees power.
2. Start the engine. The device beeps twice every minute while it provisions.
3. Wait for ten quick beeps once all three LEDs are solid; it then reboots. Allow about ten minutes in good coverage.
4. Tie the device to the harness with the serialized cable tie from the kit and trim the tail flush.
5. Route the device and harness to the mounting spot and fix it with two cable ties.

The GO9 RUGGED wires in on machine-specific sealed harnesses; leave its gray connector seals in place.

How Is a 3-Wire Install Done?

A 3-wire install powers the device straight from the vehicle's electrical system, for machines and trailers with no usable port. It gives location and ignition hours, not engine data.

1. Meter and mark the constant, ignition and ground points as shown above.
2. Connect red to constant, yellow to ignition and black to ground.
3. Fuse the red and yellow leads close to where they tap power.
4. Seal every splice against moisture, join the harness sections and plug in the device.
5. Cycle the key and confirm both ignition states are logged.

How Is a Dash Camera From the GO Focus Family Added?

A GO Focus dash cam mounts high on the windshield and connects to the GO device's IOX port, with the GO device unplugged until the dash cam work is finished.

1. Clean the glass with alcohol, inside the wiper sweep and clear of tint bands and toll tags. For the Plus and Pro, the glass must be between 70°F and 100°F.
2. Press the bracket firmly for about 30 seconds and fit the dash cam.
3. Route the cable behind the headliner and down the A-pillar, clear of the airbag path.
4. Connect to the GO device, start the vehicle, then plug the GO device back in.
5. Aim the lenses: road lens at the horizon, cabin lens on the seated driver.

The GO Focus Pro is the exception on power: it uses its own 3-wire cable with red to ACC and yellow to constant, so each fuse slot gets metered first. See GO Focus and GO Focus Plus pages for model detail.

How Are GO Anywhere Asset Trackers Installed?

A GO Anywhere tracker is added in MyGeotab, activated outdoors under open sky, then mounted away from surrounding metal.

• GO Anywhere: pull the magnetic strip to start activation, which runs three to five minutes.
• Next Gen GO Anywhere: press the button and wait for the 15-second fast flash.
• GO Anywhere Plus: battery or wired on the HRN-GA23WIRE, with both power leads fused within six inches of the tap.

How Are IOX Add-Ons Connected?

IOX modules plug into the expansion port of an unplugged GO device, in a chain, before power is restored.

1. Unplug the GO device.
2. Fit the 90 degree connector to the expansion port; do not overtighten its tie.
3. Pull the termination shunt from every module except the last in the chain.
4. Add up each module's maximum draw and stay under the 2,750 mA pass-through limit.
5. Power up and confirm the GO device enters debug mode.

The IOX-AUXM, IOX-BUZZ and IOX-NFCREADERA pages carry module wiring notes; a GO10 accepts up to five modules.

How Should the Device Be Mounted and Secured?

The device is tied down so it cannot move, kept out of the way of the driver, and given a view of the sky.

• Use cable ties on both sides of each connection so vibration cannot shake it loose.
• Keep cables clear of gas, brake and clutch pedals, steering, airbags and moving parts.
• Do not sit the base of a GO unit flat on metal; plastic, glass and composites above it are fine.
• Leave the diagnostic port reachable for service.

How Is the Install Verified?

An install is verified when the lights settle on their healthy state and Geotab's install tool reports a pass. In MyInstall, a pass means the unit reached the network within 24 hours; on a fail, check the lights, cycle the ignition and press Refresh.

Our Field App looks up light patterns and vehicle wiring offline from one search box.

What Are the Most Common Install Mistakes?

Most failed installs trace back to the harness or the power source.

• Ordering a GO10 with a GO9-style harness.
• Stacking two T-harnesses, or an extension that pushes the chain past 2 m.
• Choosing an accessory circuit as ignition.
• Leaving the unit dangling off the port with no cable ties.

What Are Common Questions About Installing Geotab?

How long does a Geotab install take to come online?

A GO10 starts up in about 60 to 80 seconds and should show solid green shortly after. A GO9 family unit takes roughly ten minutes in good coverage, and GO Focus Plus and GO Focus Pro dash cams need four to five minutes before solid green.

Can a Geotab device be moved to another vehicle?

Geotab says not to pull a device from the vehicle it was installed in and put it in a different one. A move is handled as a removal and a new install through the account.

Do we have to use a T-harness?

No. A GO9 can plug straight into the port, and a straight harness is the right choice where compliance rules say the diagnostic connector must not be relocated. The GO10 always needs a Geotab harness because of its connector.

What should happen if a dash light comes on after the install?

Shut the engine off and take the device out. Geotab treats a warning light, a stall or a loss of performance after an install as a reason to remove the unit, and our technicians then check the harness and the vehicle before refitting.

API Signal brings the Geotab hardware, the right harness and a meter to your yard and installs every unit on site, verified before we leave. To put a date on the calendar, phone 803-513-1009 or send the vehicle details through Get a Quote. See also the Geotab FAQ, features and products.

Sources: GO10 quick start guide, Geotab harness identification, Verify LED and secure device, GO Focus Plus install guide, GO9 installation FAQ, HRN-XCW03K3 document, GO Anywhere Plus 3-wire install, Geotab IOX expansion. GEOTAB is a registered trademark of Geotab Inc. API Signal is an independent installer and is not Geotab.