Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Grote · Electrical & Lighting
GRT66814
In stock · ships from Knoxville
The Grote 66814 is a 9-inch Y-adapter pigtail that splits a single female PL-3 connector into two 90° male pin plugs.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Designed to retrofit Grote male pin LEDs and lamps without the need for new wiring.
Part data verified against 4 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is used to power two stop/tail/turn lamps from one wiring source, simplifying 6-lamp systems on heavy-duty trailers. The molded, sealed design prevents moisture and corrosion, making it a durable repair or retrofit part for standard 4-inch round and oval lights.
Part Number: GRT66814
PIGTAIL 9 FEM TO MALE Y ADAP
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting
