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United Pacific

OE STYLE HEADLIGHT HARNESS FOR PETERBILT 386 (2005-2015) & 387 (1999-2010)

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SKU:
34267-UP
MPN:
34267
  • OE STYLE HEADLIGHT HARNESS FOR PETERBILT 386 (2005-2015) & 387 (1999-2010)
  • OE STYLE HEADLIGHT HARNESS FOR PETERBILT 386 (2005-2015) & 387 (1999-2010)
  • OE STYLE HEADLIGHT HARNESS FOR PETERBILT 386 (2005-2015) & 387 (1999-2010)
  • OE STYLE HEADLIGHT HARNESS FOR PETERBILT 386 (2005-2015) & 387 (1999-2010)
$39.99
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Description

An OE style headlight harness provides a reliable replacement for Peterbilt trucks. This harness is designed for Peterbilt 386 models from 2005 to 2015 and 387 models from 1999 to 2010. It features an 8-pin main harness plug and includes matching plugs for headlights, turn signals, and side markers. The wires are fully insulated and come with a large rubber grommet for secure rear housing. This product is ideal for replacing worn-out or damaged harnesses and helps maintain the proper functioning of truck lighting systems.

  • Direct replacement with original type 8-pin main harness plug.
  • Matching pinouts and OE type headlight, turn signal, and side marker plugs with fully insulated 16 gauge wires.
  • Large rubber grommet included for rear housing (housing not included).
  • Perfect for replacing the worn out or damaged harness.
  • Also fits: Peterbilt 387 (1999-2010),382 (2007-2018), & 384 (2007-2014).

Frequently Asked Questions

What vehicles does the OE style headlight harness fit?

It’s built for use as a Peterbilt 386 headlight harness on 2005–2015 models and as a Peterbilt 387 headlight harness on 1999–2010 models. It’s also commonly used on Peterbilt 382 (2007–2018) and 384 (2007–2014) applications. Always verify model year and connector style before installation.

How do I know if the OE style headlight harness will match my connectors?

Check that your truck uses an 8-pin main harness plug and confirm the headlight, turn signal, and side marker plugs match the existing pinouts. This headlight wiring harness is designed as a direct replacement with OE-type connections to reduce guesswork. If your plugs are damaged, compare the shape/keying and wire positions before swapping the Peterbilt headlight connector harness.

Can I use the OE style headlight harness United Pacific 34267-UP to fix flickering or intermittent lights?

Yes, replacing a worn or heat-damaged harness often resolves poor contact, corrosion, or broken conductors that cause intermittent lighting. United Pacific 34267-UP uses fully insulated wiring and includes a large rubber grommet to help protect the pass-through area. If issues remain after replacement, inspect grounds, bulbs, and the headlight assembly connectors for overheating or loose terminals.

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