Rugged Radios CH-O-2 Off-Road Car Harness — Universal 4C Helmet & PTT Connection

Rugged Radios // CH-O-2

$282.45 NZD Exc. GST

$282.45 NZD Exc. GST Sale

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Need Help?

You can contact us via our chat box on our website, phone or email.

Aaron Harris: +64 27 449 9654 & aaron@harriscomms.co.nz

Rex Harris: +64 21 682 912 & rex@raceradios.co.nz

Shipping & Delivery

New Zealand:

Nationwide delivery for just $14 NZD ($19 for helmets).
Delivered by NZ Couriers or Post Haste.
Delivery Time: 1-7 days (avg. of 1.3).
Free Local Pickup is also available from 15 Michael Road, Paraparaumu 5032.

Australia:

Standard shipping costs $36.95 AUD ($49.95 for helmets).
Delivered by Asendia, DHL Express or FedEx.
Delivery Time: 7 - 14 days (avg. of 7.8).
For large items we may need to contact you if the freight is higher than expected.

Secure Payment Methods

We accept Apple & Google Pay, Debit or Credit Cards, and PayPal for easy and secure transactions.

Exclusively for our New Zealand customers, we offer Afterpay and Bank Transfer.

The Rugged Radios CH-O-2 Off-Road Car Harness is a professional off-road racing communications harness designed to connect a driver's helmet communication system, push-to-talk switch, and race radio into one clean, integrated wiring run. Whether you're competing in UTV racing, short course, desert racing, buggy events, or trophy truck competition, the CH-O-2 delivers dependable driver-to-crew audio in the harshest race environments.

Designed specifically for 4-Conductor (4C) off-road wired helmets, the CH-O-2 connects your radio, PTT, and helmet cable for the easiest installation ever. Built with Rugged's Total Shield RF-blocking wire and a moulded Y-block, this harness is engineered to survive the vibration, dust, and abuse of off-road racing. The universal 5-pin radio connection and standard 3-pin PTT jack mean it works with the full Rugged Radios radio lineup. A radio jumper (sold separately) is required to connect to your specific handheld or mobile radio.

⚠️ Note: This is an OFF-Road (4C) connection harness. It is NOT compatible with Harris, IMSA, or 3C road race helmet connectors. If you need a Harris/IMSA adapter, see the Roux Harris IMSA Helmet Kit to OFFROAD Adapter.

Key Features

Off-road 4C style helmet jack (blue connector) — suits UTVs, buggies, trophy trucks, and off-road race cars
Tough high-bend-test wire — built for race conditions
Universal 5-pin radio connection
Standard 3-pin push-to-talk jack
Moulded Y-block for clean cable management
Total Shield RF blocking — keeps interference out of your comms
6 ft helmet lead / short PTT and radio leads

What's in the Box

CH-O-2 Off-Road Car Harness × 1
Radio jumper not included — required separately for your specific radio

Compare Off-Road Car Harnesses

Model	Helmet Lead	Radio Connection	PTT Lead	Best For
CH-O-2 (this page)	9 ft	5-pin (jumper required)	3 ft	Standard off-road / buggy / UTV racing
CH-O-RH	9 ft	Built-in 2-pin Rugged/Kenwood jumper	9 in	Rugged & Kenwood handheld radios
Rugged OFFROAD Buggy Harness	Varies	Varies	Varies	Full buggy intercom setups

Authority & Expertise

Harris Race Radios is the Exclusive Official Authorised Distributor and Dealer for Rugged Radios in Australasia — the most experienced Rugged Radios specialist in NZ & AU. Every product is genuine factory stock sourced directly through Rugged Radios' supply chain, backed by full manufacturer warranty.

Our team brings unmatched depth of motorsport communications expertise:

Rex Harris — Qualified Radio Telecommunications Engineer, Approved Radio Certifier for NZ RSM and AU ACMA, motorsport radio experience since 1975 starting at the Marlboro Series Grand Prix.
Aaron Harris — Active racing driver and race engineer. Barcelona 24 Hour 1st in class (2013), Bathurst 1000 & 12 Hour competitor, BMW Race Driver Series Champion (2011), race engineer for Earl Bamber Motorsport, TekworkX, Matt Stone Racing, Porsche Carrera Cup Australia/Asia-Pacific/NZ. MSNZ Licence Examiner for helmets, racewear, FHR/HANS.

NZ stock held locally for fast dispatch. Ships to Australia. Need help choosing the right harness for your radio and helmet setup? Contact Aaron: +64 27 449 9654 or aaron@harriscomms.co.nz.

Frequently Asked Questions

Do I need a radio jumper with the CH-O-2?

Yes. The CH-O-2 uses a universal 5-pin radio connection, so a separate radio jumper is required to connect to your specific handheld or mobile radio. The CH-O-RH has a built-in jumper for Rugged and Kenwood handhelds if you want a plug-and-play option.

What helmet connector does the CH-O-2 use?

The CH-O-2 uses a 4-Conductor (4C) off-road helmet jack — the blue Rugged Radios connector. It is not compatible with Harris, IMSA, or 3C road race connectors.

Can I use the CH-O-2 in a UTV or buggy?

Yes. The CH-O-2 is purpose-built for off-road race vehicles including UTVs, buggies, trophy trucks, and short course race cars. It's one of the most widely used harnesses in UTV and desert racing.

Will this work with my Rugged R1 radio?

Yes, with the appropriate radio jumper. The CH-O-2's 5-pin connection is universal across the Rugged Radios lineup including the R1, RDH16, and M1 radios.