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
GRT66810
In stock · ships from Knoxville
This is a 9-inch Y-adapter pigtail that splits one female PL-3 connector into two male PL-3 connectors.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 3 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Fits any female-pin lamp; no vehicle-specific restrictions. Verify connector type (PL-3 female/male) if retrofitting.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It's used to expand a truck or trailer's lighting system, typically to run two stop/tail/turn lamps from a single power source (for 6-lamp setups). The molded terminations block moisture and corrosion, and it's commonly used to retrofit to Grote male-pin LED lamps without rewiring.
Part Number: GRT66810
PIGTAIL, Y-ADAPTER
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting
