30543-UP CAB LIGHT BULB SOCKET PLATE - 1156 SINGLE CONTACT

An 1156 light bulb socket is used to power an 1156 bulb in applications like truck cab lights where a single-contact connection is required. It helps provide a secure electrical contact so the cab light turns on reliably. Pairing the correct socket with the right mounting plate can make replacement or upgrades much easier.

United Pacific 30543-UP is a cab light bulb socket plate designed specifically for an 1156 single contact socket. Confirm your cab light uses an 1156 single-contact bulb and that your existing cab light bulb socket plate matches the mounting style you need. If you’re replacing a worn or damaged holder, matching the bulb type and plate style is the key fit check.

Yes, a worn or loose connection at the 1156 light bulb socket can cause flickering or intermittent cab lights. Replacing the cab light bulb socket plate can restore a more dependable connection between the wiring and the bulb. For best results, also inspect the bulb, wiring, and ground for corrosion or damage.