Mastering Geotab
★ Geotab Harnesses · Make-Specific and Custom Harnesses
The HRN-INTX2S1MICRO2 is a Geotab fuse interrupter made for Micro2 fuses; it sits in a Micro2 position so the Geotab Relay Kit can interrupt that circuit for starter inhibit with no permanent wiring change.
The HRN-INTX2S1MICRO2 is a Micro2 fuse interrupter harness that works with the Geotab Relay Kit, giving the relay control of a Micro2-fused circuit for starter inhibit without cutting into the vehicle's wiring. According to Geotab, it fits where an existing Micro2 fuse sits and handles Micro2 fuses rated up to 30A.
Micro2 is one of the smallest blade fuse formats in current use. It has two narrow blades and a slim body, and it is packed tightly into many modern fuse panels. Because the body is so different from a Mini or ATC fuse, Geotab gives it a dedicated interrupter in its starter inhibit range.
Geotab defines the fit by fuse format. Any key-start, internal combustion vehicle where the start circuit we choose to interrupt runs through a Micro2 fuse of 30A or less is a candidate. The only companion product Geotab names in the harness listing is the Geotab Relay Kit.
The wider system, per Geotab's relay kit guide, is an IOX-OUTPUTM on the GO device's expansion port driving the relay, with the GO device itself on a T-harness at the diagnostic port. Geotab's relay kit document limits support to GO6 and newer devices. Geotab shows no replacement part, no prerequisite harness and no maximum connected cable length for this item; it is made in Taiwan.
On a vehicle whose start circuit is fused with a Micro2, the cut-wire alternative can mean digging behind trim or into the engine bay to find a cranking wire, then soldering and sealing the repair. A Micro2 interrupter keeps the work at the fuse panel, which shortens labour and leaves factory wiring untouched. That matters to fleets running leased units with return conditions, and to any operator who wants the inhibit removable when a vehicle is retired.
It also reduces the chance of a poor splice causing an intermittent no-start months later, a failure that is hard to diagnose once the installer has left.
Geotab hosts a dedicated install item for this part. We combine it with the steps in Geotab's relay kit guide:
Geotab's diagnostic port harness rules still govern the GO device connection: 2 m (6.5 ft) total length maximum, and no T-harness connected to another T-harness.
| Spec | Detail |
|---|---|
| Part number | HRN-INTX2S1MICRO2 |
| Type | Fuse interrupter harness |
| Fuse style | Micro2 |
| Maximum fuse rating | 30A |
| Length | 1.6 cm / 0.6 in |
| Works with | Geotab Relay Kit (starter inhibit) |
| Installs in place of | An existing Micro2 fuse |
| Max connected cable length | N/A per Geotab |
| Country of origin | Taiwan |
Micro2 positions sit shoulder to shoulder, so it is easy to pull the neighbouring fuse by mistake. Count positions against the panel legend and photograph the panel before removing anything. Check that the interrupter and its leads do not stop the panel cover from seating, and route the leads so they are not crushed when it closes. Geotab warns its relay kit is not fail-safe and must never be put on a circuit that could stop the engine or affect safe control while moving, so the fuse choice has to be confirmed on a wiring diagram, not guessed from the legend alone.
No. Geotab sells a separate interrupter for each fuse body. The Micro2 part is for the narrow two-blade Micro2 fuse, while HRN-INTX2S1MINI is for the Mini blade fuse.
Geotab lists it for Micro2 fuses up to 30A. We read the rating off the factory fuse before choosing the position.
Yes. Geotab's relay kit document says the relay kit cannot be used on push-button start vehicles, so this interrupter belongs on bladed-key vehicles.
API Signal supplies and installs Geotab GO devices, IOX modules, relay kits and fuse interrupters on site at the customer's yard. Call 803-513-1009 or use Get a Quote and tell us which vehicles need starter inhibit.
Sources: Geotab install guide: Starter Inhibit with IOX-OUTPUTM and SPR-RELAYKIT; Geotab Harness Identification and Application (Micro2 interrupter listing); Geotab SPR-RELAYKIT document. GEOTAB is a registered trademark of Geotab Inc. API Signal is an independent installer and is not Geotab.
Tell us how many vehicles and what they are. We'll quote the hardware and the install together.