G8HN-1C4T-DJ 12V 5-Pin SPDT Micro ISO Relay with Diode Compatible with 5DM-81950-01-00 / 5DM-81950-00-00 / 5JJ-81950-10-00 for ATV UTV Motorcycle

Product Overview5-pin SPDT (1C) Micro ISO automotive relay with built-in diode (DJ) for reliable switching of lighting, drive and accessory circuits. Plug-in style with simple plastic seal, used across many models compatible with Yamaha ATV/UTV, motorcycle and snowmobile platforms.Key Specifications Contact FormSPDT (1C), 5-pin Coil VoltageDC 12 V Coil Resistanceapprox. 96–124 Ω (variant dependent) Surge SuppressionBuilt-in diode (observe polarity) Protective StructureSimple plastic-sealed case Rated Load (12 V)NO 20 A, NC 10 A (NO inrush up to 100 A) Operate/Release≤10 ms / ≤15 ms Ambient Range-40°C to +100°C Approx. Size25 × 22.5 × 15 mm (L × W × H) OE Cross-ReferencesCompatible with Yamaha: 5DM-81950-01-00 (supersedes 5DM-81950-00-00); 5JJ-81950-10-00 / 5JJ-81950-11-00.Compatible with Omron: G8HN-1C4T-DJ (Y51 / Y52 variants).Fitment Summary (North America)Compatible with Yamaha ATV/UTV platforms (Grizzly, Kodiak, Raptor, Rhino, Wolverine, YFZ), motorcycles (YZF-R6, FJR1300, Super Ténéré, Tracer 900, TMAX), and select snowmobiles (Venture, VK series). See bullets for year-by-year coverage.What’s in the Box1 × G8HN-1C4T-DJ style 12 V 5-pin Micro ISO relay.Installation NotesDirect plug-in to the OEM relay socket; match the OE part number before purchase.Observe coil polarity due to the built-in diode (the coil + terminal is marked on the relay base).Use Cases / Symptoms AddressedRestores switching for headlight/lighting, 4x4 actuation and other accessory circuits where this relay is specified by the OEM diagram.Helps resolve issues such as no-headlight, intermittent 4x4 engagement, or no power to the controlled accessory (model dependent).Compatibility NoteAll brand names and part numbers are used strictly for compatibility and reference. This is a third-party replacement part.

• Specs & OE cross-refs — 5-pin SPDT (1C) Micro ISO relay with built-in diode (DJ); DC 12 V coil (approx. 96–124 Ω by variant); rated switching 20 A (NO) / 10 A (NC) at 12 V; NO inrush up to 100 A; simple plastic-sealed case; plug-in terminals. Compatible with Yamaha 5DM-81950-01-00 (supersedes 5DM-81950-00-00) and 5JJ-81950-10-00 / 5JJ-81950-11-00; Compatible with Omron G8HN-1C4T-DJ (Y51 / Y52).
• Install & troubleshooting — Plug-in Micro ISO footprint; observe coil polarity due to the internal diode (coil “+” is marked on the base). Seats in the machine’s electrical relay block as specified by OEM diagrams. Replacing a weak relay can restore headlights, 4×4 actuation, starter/accessory control or other circuits (model dependent). Match OE part number and confirm diagram before purchase.
• ATV/UTV fitment (Headlight/Electrical Relay) — Compatible with 2002–2008 Yamaha Grizzly 660; 2007–2012 Grizzly 700; 2011–2013 Grizzly 550; 2007–2013 Grizzly 450; 2007–2013 Grizzly 350; 2003–2006 Kodiak 450; 2021–2026 Kodiak 450 / 450 EPS / 450 EPS SE; 2004–2007 Rhino 660; 2006–2012 Rhino 450 / 700; 2006–2007 Wolverine 350 / 450; 2006–2008 YFZ450 (incl. SE); 2006–2012 Raptor 700; 2008 Raptor 250.
• Motorcycle fitment (Electrical Relay Assy) — Compatible with 2002 Yamaha YZF-R6 (Electrical-1 relay); 2010 FJR1300A / FJR1300AZ (Electrical-2 relay); 2016–2017 Super Ténéré / Super Ténéré ES (Electrical-2 relay, supersession 5JJ-81950-11-00); 2019 Tracer 900 GT (Electrical-1 relay). Also used where OEM diagrams specify Relay Assy (G8HN-1C4T-DJ-Y51/Y52).
• Snowmobiles — Compatible with Yamaha Venture 500 / RS Venture families and VK540 / VK Professional utility sleds where parts lists specify Relay Assy (G8HN-1C4T-DJ-Y51/Y52) under Electrical. Verify by OEM fiche for year/submodel before ordering.
• Helpful complementary parts — Often serviced together to fix heat-stressed sockets/fuses: Compatible with Yamaha 5JJ-81952-00-00 relay holder and model-specific blade fuses in the same Electrical group (e.g., 15A/20A fuses called out in OEM diagrams). These complementary items restore proper contact tension and protection alongside the new relay.