Holden Colorado - High Beam Piggy Back AdaptorPlug and Play No Cutting Required. Wiring up driving lights to your Holden Colorado? This Plug & Play High Beam Piggyback Adapter makes the job easy. It connects directly to your high beam circuit without cutting, splicing, or risking your factory wiring. Whether its a light bar or a pair of our high performance driving lights, this adapter gives you the clean signal you need to wire your relayquickly, safely, and without compromise. Suits all Holden