Multi-Use Service Relay – 25230-0B000 / 25230-C9970 (Replaces 25230-C9980)Direct-fit footprint: Plug-in multi-use relay with blue housing and OE connector layout. Approx. item dimensions: 2.1 × 1.6 × 1.3 in.
Where it fits: Installs in the engine compartment relay/fuse box (under a plastic cover near the strut/shock tower on many vehicles) or the interior relay box; exact slot depends on model/trim.
What it controls: On applicable vehicles this relay is used by ignition, A/C or blower, power window or other body/engine circuits (verify by VIN/service diagram for your vehicle).
OE references: 25230-0B000, 25230-C9970 (superseded by 25230-C9980). Use these numbers and your VIN to confirm fit.
Typical compatible vehicles (examples): Compatible with Nissan 200SX (1984–1988), 240SX (1989–1994), 300ZX (1984–1996), Maxima (1985–1994), Pathfinder (1987–1995), Quest (1993–1996), Axxess (1989–1993); Compatible with Infiniti G20 (1991–1996), J30 (1993–1997), M30 (1990–1992), Q45 (1990–1996).
Helpful companions: Depending on vehicle, related relays include 25230-C9980 (supersession), 25230-79981 (A/C or EGI), 25230-7995A (radiator fan), 25230-79917 (tow/fuel/aux). These are complementary parts that may be used in other slots and are not replacements for this listing.
Fitment note: Always confirm by matching the OE part number and checking your vehicle diagram. Brand names are used only to indicate compatibility.